1
EXHIBIT 6



                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
22nd day of July, 1997

                                                /s/ Robert B. Garber
                                                --------------------------

                                                Robert B. Garber



                                     Page 15

                                       E-9


   2









                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
22nd day of July, 1997

                                             /s/ Charles H. Erhart, Jr.
                                             --------------------------------
                                             Charles H. Erhart, Jr.



                                     Page 16

                                      E-10


   3





                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
17th day of July, 1997

                                                     /s/ Neal Gilliatt
                                                    ---------------------------
                                                     Neal Gilliatt



                                     Page 17

                                      E-11


   4









                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
17th day of July, 1997

                                            /s/ Will J. Hoekman
                                            -----------------------------
                                            Will J. Hoekman



                                     Page 18

                                      E-12


   5











                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
21st day of July, 1997.

                                                     /s/ Thomas C. Hutton
                                                    ---------------------------
                                                     Thomas C. Hutton



                                     Page 19

                                      E-13


   6





                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
18th day of July, 1997

                                                     /s/ W. Dwight Jackson
                                                     --------------------------
                                                     W. Dwight Jackson




                                     Page 20

                                      E-14


   7









                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
17th day of July, 1997.

                                                  /s/ Charles O. Lane
                                                 ------------------------------
                                                  Charles O. Lane




                                     Page 21

                                      E-15


   8






                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set her hand and seal this
16th day of July, 1997.

                                                     /s/ Sandra E. Laney
                                                     --------------------------
                                                     Sandra E. Laney




                                     Page 22

                                      E-16


   9






                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
16th day of July, 1997.

                                                     /s/ Kevin J. McNamara
                                                     --------------------------
                                                     Kevin J. McNamara



                                     Page 23

                                      E-17


   10






                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
21st day of July, 1997.

                                                     /s/ John M. Mount
                                                     --------------------------
                                                     John M. Mount



                                     Page 24

                                      E-18


   11






                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
16th day of July, 1997.

                                                /s/ Timothy S. O'Toole
                                                ----------------------------
                                                Timothy S. O'Toole




                                     Page 25

                                      E-19


   12









                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
17th day of July, 1997.

                                                 /s/ D. Walter Robbins, Jr.
                                                 --------------------------
                                                 D. Walter Robbins, Jr.




                                     Page 26

                                      E-20


   13






                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
21st day of July, 1997.

                                                 /s/ Kenneth F. Vuylsteke
                                                 ---------------------------
                                                 Kenneth F. Vuylsteke




                                    Page 27

                                      E-21


   14






                                POWER OF ATTORNEY
                                -----------------

     KNOW ALL MEN BY THESE PRESENTS that the undersigned, a Director of National
Sanitary Supply Company hereby constitutes and appoints Edward L. Hutton, Paul
C. Voet, Gary H. Sander and Naomi C. Dallob the true and lawful
attorneys-in-fact of the undersigned, with full power in each to act without the
others, for and in the name of the undersigned as such Director to sign any and
all Registration Statements and amendments thereto, including Post-Effective
Amendments, filed with the Securities and Exchange Commission relating to
registration under the Securities Act of 1933 of interests in or Common Stock of
National Sanitary Supply Company to be offered and sold pursuant to its 1997
Stock Incentive Plan.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
17th day of July, 1997.

                                              /s/ George J. Walsh III
                                              -----------------------------
                                              George J. Walsh III



                                     Page 28

                                      E-22