Form 8-K Dated February 17, 1998
Purus, Inc.
File no. 0-22408
Exhibit No. 1

US$1,800,000.00                                 February 17, 1998

                        CASA SOLAZ, INC.
                 6% Convertible Promissory Note

      CASA SOLAZ, INC., a corporation duly organized and existing
under the laws of the state of Nevada (hereinafter referred to as
the  "Company"), for value received, hereby promises  to  pay  to
PURUS,  INC., a Delaware corporation, or its order, the principal
sum   of   ONE   MILLION  EIGHT  HUNDRED  THOUSAND   US   DOLLARS
($1,800,000.00), on December 31, 1999 (the "Maturity Date"), upon
presentation  and surrender of this promissory note  ("Note")  at
the offices of the Company at 17246 Quail Court, Morgan Hill,  CA
95037, in such lawful money of the United States of America as at
the  time  of  payment shall be legal tender for the  payment  of
public  and private debt, and to pay at that time in like  lawful
tender  interest  on the unpaid principal at  a  rate  per  annum
(calculated on the basis of the actual number of days elapsed  in
a  365-day year) equal to 6%, from and after the date of issuance
or  from the most recent date on which interest has been paid  or
duly provided for, as the case may be.

      This  Note  is subject to the following further  terms  and
material provisions:

      1.    Prepayment.  The Note is subject to prepayment at any
time after the issue date, upon not less than 30 nor more than 50
days' notice by mail, in whole or in part, at the election of the
Company.   For a period of 15 days following the date of  written
notice  of  prepayment,  the holder may convert  the  outstanding
amount  of  the  Note,  or  any  portion  thereof,  to  Series  A
Convertible  Preferred  Stock  of  the  Company  as  provided  in
paragraph  7, below.  On the date fixed for repayment,  the  Note
shall  cease  to bear interest.  Upon surrender of the  Note  for
repayment  in  accordance with said notice of prepayment  by  the
Company, the amount of principal and interest due shall  be  paid
in cash or certified funds.  If the Note is prepaid only in part,
the  holder  shall present the Note to the Company  for  notation
thereon of such partial repayment.  The obligation of the Company
to  prepay  the  Note shall be evidenced by a resolution  of  the
board of directors of the Company.

      2.    Satisfaction and Discharge of Note.  This Note  shall
cease  to be of further effect (except as to any surviving rights
of  conversion,  transfer or exchange herein  expressly  provided
for) when,

          (a)  The Company has paid or caused to be paid all sums
          payable   hereunder  by  the  Company,  including   all
          principal amounts and interest accrued under the  Note;
          and

          (b)   All the conditions precedent herein provided  for
          relating to the satisfaction and discharge of this Note
          have been complied with.

      3.    Security.  This Note and the obligations  represented
hereby  shall  be  secured by all of the assets  of  the  Company
pursuant to a security agreement of even date herewith ("Security
Agreement"),  and by all of the capital stock of  all  subsidiary
corporations  of  the  Company pursuant to  one  or  more  pledge
agreements  (collectively  "Pledge  Agreement")  of   even   date
herewith.   The  Security  Agreement  and  Pledge  Agreement  are
collectively referred to herein as the "Security Documents".

      4.    Events  of  Default.  "Event of  Default"  when  used
herein, whatever the reason for such event of default and whether
it  shall be voluntary or involuntary or be effected by operation
of  law  pursuant to any judgment, decree or other order  of  any
court  or any order, rule or regulation of any administrative  or
governmental  body,  or  be  caused  by  the  provisions  of  any
paragraph herein means any one of the following events:

          (a)   Default  in the payment of interest on  the  Note
          when  it  becomes due and payable, whether at maturity,
          upon prepayment by declaration, or otherwise;

          (b)   Default  in the payment of the principal  on  the
          Note when due, whether at maturity, upon prepayment  by
          declaration, or otherwise;

          (c)   Default  in  the performance  or  breach  of  any
          covenant  or  warranty of the Company  or  any  of  its
          subsidiaries under this Note or the Security  Documents
          (other  than  a  covenant or warranty  the  default  or
          breach   of   which  is  elsewhere  in   this   section
          specifically  dealt  with), and  continuation  of  such
          default  or breach for a period of 60 days after  there
          has  been given to the Company by the holder a  written
          notice  specifying such default or breach and requiring
          it  to  be remedied and stating that such notice  is  a
          notice of default hereunder;

          (d)   The entry of a decree or order by a court  having
          jurisdiction in the premises adjudging the  Company  or
          any  subsidiary of the Company a bankrupt or insolvent,
          or  approving  as  properly filed  a  petition  seeking
          reorganization, arrangement, adjustment or  composition
          of  or  in respect of the Company or any subsidiary  of
          the  Company under the Federal Bankruptcy  Act  or  any
          other  applicable federal, state, or  foreign  law,  or
          appointing  a receiver, liquidator, assignee,  trustee,
          sequestrator (or other similar official) of any of  the
          Company or its subsidiaries or of any substantial  part
          of   its  property,  or  ordering  the  winding  up  or
          liquidation of its affairs, and the continuance of  any
          such  decree  or order not stayed and in effect  for  a
          period of 60 consecutive days; or

          (e)   The  institution by any of  the  Company  or  its
          subsidiaries   of  proceedings  to  be  adjudicated   a
          bankrupt  or  insolvent, or the consent by  it  to  the
          institution  of  bankruptcy or  insolvency  proceedings
          against  it, or a filing by it of a petition or  answer
          or  consent seeking reorganization or relief under  the
          Federal Bankruptcy Act or any other applicable federal,
          state  or  foreign law; or the consent  by  it  to  the
          filing  of  any such petition or the appointment  of  a
          receiver,  liquidator, assignee, trustee, sequestrator,
          or  other similar official of any of the Company or its
          subsidiaries  or  of  any  substantial  part   of   its
          property, or the making by it of an assignment for  the
          benefit of creditors, or the admission by it in writing
          of  its  inability to pay its debts generally  as  they
          become due, or the taking of corporate action by any of
          the  Company or its subsidiaries in furtherance of  any
          such actions.

      5.    Acceleration  of Maturity.  If an  event  of  default
occurs and is continuing then, in every such case, the holder may
declare the principal and all accrued interest of the Note to  be
due  and  payable  immediately, by a notice  in  writing  to  the
Company  of  such  default, and upon any such  declaration,  such
principal and accrued interest shall become immediately  due  and
payable.  At any time after such declaration of acceleration  has
been  made and before a judgment or decree for payment  of  money
due  has  been  obtained by the holder, the  holder,  by  written
notice to the Company, may rescind and annul such declaration and
its  consequences if all events of default, other than  the  non-
payment  of  the  principal or interest on the  Note  which  have
become due solely by such acceleration, have been cured or waived
as   provided  below.   No  such  rescission  shall  affect   any
subsequent default or impair any right consequent thereon.

      6.    Suits for Enforcement.  If an event of default occurs
and is continuing, the holder may, in its discretion, proceed  to
protect  and  enforce  its  rights by such  appropriate  judicial
proceedings  as the holder shall deem most effectual  to  protect
and enforce any such rights, whether for the specific enforcement
of  any  covenant or agreement under this Note or in aid  of  the
exercise  of  any power granted herein, or to enforce  any  other
proper remedy.

     (a)  THIS  NOTE SHALL BE DEEMED TO BE A CONTRACT MADE  UNDER
          AND  GOVERNED  BY  THE INTERNAL LAWS OF  THE  STATE  OF
          CALIFORNIA.

     (b)  THE   COMPANY   HEREBY  IRREVOCABLY  SUBMITS   TO   THE
          JURISDICTION  OF ANY CALIFORNIA STATE OR FEDERAL  COURT
          IN  ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING
          TO  THIS NOTE AND THE COMPANY HEREBY IRREVOCABLY AGREES
          THAT ALL CLAIMS IN RESPECT OF SUCH ACTION OR PROCEEDING
          MAY BE HEARD AND DETERMINED IN SUCH CALIFORNIA STATE OR
          FEDERAL  COURT.  THE COMPANY HEREBY IRREVOCABLY WAIVES,
          TO  THE  FULLEST EXTENT IT MAY EFFECTIVELY DO  SO,  THE
          DEFENSE OF ANY INCONVENIENT FORUM TO THE MAINTENANCE OF
          SUCH ACTION OR PROCEEDING.

     (c)  The  Company  irrevocably consents to  the  service  of
          process out of any of the aforementioned courts in  any
          such  action or proceeding by the mailing of the copies
          thereof  by  certified mail, return receipt  requested,
          postage prepaid, to it at its address set forth herein,
          such  service to become effective upon the  earlier  of
          (i)  the  date 10 calendar days after such  mailing  or
          (ii)  any  earlier  date permitted by  applicable  law.
          Nothing in this paragraph shall affect the right of the
          holder to bring proceedings against the Company in  the
          courts of any other jurisdiction or to serve process in
          any other manner permitted by applicable law.

     (d)  THE  COMPANY  AND HOLDER HEREBY KNOWINGLY, VOLUNTARILY,
          AND  INTENTIONALLY WAIVE ANY RIGHTS THEY MAY HAVE TO  A
          TRIAL  BY  JURY  IN  RESPECT OF  ANY  LITIGATION  BASED
          HEREON,  OR  ARISING OUT OF, UNDER,  OR  IN  CONNECTION
          WITH,  THIS  NOTE OR ANY COURSE OF CONDUCT,  COURSE  OF
          DEALING,  STATEMENTS (WHETHER VERBAL  OR  WRITTEN),  OR
          ACTIONS OF THE COMPANY OR HOLDER.  THIS PROVISION IS  A
          MATERIAL  INDUCEMENT FOR THE HOLDER ENTERING INTO  THIS
          NOTE  AND  MAKING  THE  LOAN TO THE  COMPANY  EVIDENCED
          HEREBY.

     (e)  The  Company agrees to pay and hold the holder harmless
          from  any stamp, documentary, intangibles, transfer  or
          similar  taxes or charges, and all recording or  filing
          fees  with respect to this Note or any payments  to  be
          made  thereunder,  and  to reimburse  the  holder  upon
          demand   for  all  reasonable  out-of-pocket   expenses
          (including  reasonable attorneys'  fees  and  expenses)
          incurred by the holder in enforcing the obligations  of
          the  Company under this Note or in connection with  any
          restructuring or "work-out" of any such obligations.

      7.    Conversion.  Subject to, and in compliance with,  the
provisions contained herein, the holder of the Note is  entitled,
at  holder's  option, at any time on or before the Maturity  Date
(or  in case this Note or some portion hereof shall be called for
repayment  prior to such date or there shall be a declaration  of
acceleration of maturity under paragraph 5, above, then until and
including, but not after, the close of business within 15 days of
the  date  of notice of repayment or the date of declaration,  as
the  case may be), to convert all or any portion of the principal
amount of this Note into fully paid and non-assessable shares  of
the  Series A Convertible Preferred Stock of the Company ("Series
A Stock"), at a conversion value of $4.00 of principal amount for
one  share  of Series A Stock.  Conversion shall be  effected  by
surrender  of  this Note, duly endorsed (if so  required  by  the
Company),  to  the  Company  at  its  offices  set  forth  herein
accompanied by written notice of conversion specifying the amount
of the principal of the Note to be converted.  On conversion, the
holder  of  the  Note  when surrendered for conversion  shall  be
entitled  to payment in cash of the interest accrued to the  date
of   conversion.   No  fractional  shares  will  be  issued  upon
conversion,  but  if  the  conversion  results  in  a  fractional
interest, the number of shares of Series A Stock issued shall  be
rounded to the nearest whole share.  So long as this Note remains
undischarged,  the Company shall not, without the  prior  written
consent  of the holder:  pay any dividend payable in shares  upon
its  preferred  stock or common stock, or make any  distribution,
including a cash or property dividend, out of earnings or  earned
surplus,  to  the holders of its shares; enter into any  plan  of
capital  reorganization or of reclassification of  the  preferred
stock  or  common stock of the Company; or merge, consolidate  or
encumber  or  sell all or substantially all of its  assets  other
than in the ordinary course of business.
     
      8.    Notices; Waiver. All notices hereunder  shall  be  in
writing  or  by telecopy and shall be sufficiently given  to  the
Company  or  holder  if addressed or delivered  to  them  at  the
following addresses:

     If to the Company:       Casa Solaz, Inc.
                         Attn:  Donald Winstead
                         17246 Quail Court
                         Morgan Hill, CA  95037
                         Telecopy (408) 782-2198

     If to holder:            Purus, Inc.
                         Attn:  President
                         605 Tennant Avenue, Suite B
                         Morgan Hill, CA  95037-5529
                         Telecopy (408) 778-3466

or  at such other address as any party may designate to any other
party  by  written  notice.  All such notices and  communications
shall  be  deemed to have been duly given:  at the time delivered
by  hand, if personally delivered; when received, if deposited in
the  mail,  postage prepaid; when transmission  is  verified,  if
telecopied; and on the next business day, if timely delivered  to
an  air courier guaranteeing overnight delivery. Where this  Note
provides for notice, such notice may be waived in writing by  the
person  entitled to receive such notice, either before  or  after
the  date on which the person entitled to receive such notice and
either  before or after the event, and such waiver shall  be  the
equivalent of such notice.

      9.    Restrictions.  The holder of this Note, by acceptance
hereof,  both  with respect to the Note and the  Series  A  Stock
issuable  upon  conversion of the Note, agrees  and  acknowledges
that:

               THE SECURITIES REPRESENTED BY THIS INSTRUMENT HAVE
          NOT  BEEN REGISTERED UNDER THE SECURITIES ACT OF  1933,
          AS AMENDED (THE "ACT"), OR UNDER THE SECURITIES LAWS OF
          ANY  STATE.   THESE SECURITIES HAVE BEEN  ACQUIRED  FOR
          INVESTMENT  AND MAY NOT BE TRANSFERRED OR SOLD  IN  THE
          ABSENCE   OF   AN  EFFECTIVE  REGISTRATION   OR   OTHER
          COMPLIANCE  UNDER THE ACT OR THE LAWS OF THE APPLICABLE
          STATE OR A "NO ACTION" OR INTERPRETIVE LETTER FROM  THE
          SECURITIES  AND EXCHANGE COMMISSION OR  AN  OPINION  OF
          COUNSEL REASONABLY SATISFACTORY TO THE ISSUER, AND  ITS
          COUNSEL,  TO  THE EFFECT THAT THE SALE OR  TRANSFER  IS
          EXEMPT  FROM REGISTRATION UNDER THE ACT AND SUCH  STATE
          STATUTES.

      10.  Warrant.  For and in consideration of the agreement of
the  holder to make the loan to the Company contemplated by  this
Note, the Company shall issue to the holder concurrently with the
execution  of this Note a warrant to purchase 550,000  shares  of
Series A Stock at a price of $4.00 per share exerciseable  on  or
before December 31, 1998.

     11.  Miscellaneous

     (a)  The  provisions of this Note and the Security Documents
          may  from time to time be amended, modified or  waived,
          if such amendment, modification or waiver is in writing
          and,  (i)  in the case of an amendment or modification,
          is  consented to by the Company and holder and (ii)  in
          the  case  of a waiver of obligation of the Company  or
          compliance with any prohibition contained in this  Note
          or Security Documents, is consented to by the holder.
     (b)  No  failure  or  delay on the part  of  the  holder  in
          exercising  any power or right under this Note  or  the
          Security  Documents shall operate as a wavier  thereof,
          nor  shall any single or partial exercise of  any  such
          power  or  right preclude any other or further exercise
          thereof  or the exercise of any other power  or  right.
          No notice to or demand on the Company in any case shall
          entitle it to any notice or demand in similar or  other
          circumstances.   No waiver or approval  by  the  holder
          shall, except as may be otherwise stated in such waiver
          or  approval, be applicable to subsequent transactions.
          No  waiver  or  approval hereunder  shall  require  any
          similar  or  dissimilar waiver or  regulatory  approval
          thereafter to be granted hereunder.

     (c)  Any  provision  of this Note or the Security  Documents
          which   is   prohibited   or   unenforceable   in   any
          jurisdiction   shall,  as  to  such  jurisdiction,   be
          ineffective  to  the  extent  of  such  prohibition  or
          unenforceability  without  invalidating  the  remaining
          provisions  of this Note or the Security  Documents  or
          affecting  the  validity  or  enforceability  of   such
          provision in any other jurisdiction.

     (d)  The  various  headings of this Note  and  the  Security
          Documents  are inserted for convenience only and  shall
          not affect the meaning or interpretation of the Note or
          the  Security  Documents or any  provisions  hereof  or
          thereof.

     (e)  This Note shall be binding upon and shall inure to  the
          benefit  of  the  parties hereto and  their  respective
          successors  and  assigns; provided, however,  that  the
          Company  may  not  assign  or transfer  its  rights  or
          obligations hereunder without the prior written consent
          of the holder.

     (f)  The  Company  hereby  waives  all  requirements  as  to
          diligence, presentment, demand of payment, protest  and
          notice  of  any  kind with respect to this  Note.   All
          amounts  owing  hereunder are payable  by  the  Company
          without relief from any valuation or appraisal laws.

     DATED this 17th day of February, 1998.

                                   CASA SOLAZ, INC.

                                   By /s/ Donald  Winstead, President