EXHIBIT 4.1
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                     Agreement to Furnish Sun Data, Inc. Lease
                                          
The Company hereby agrees to furnish a copy of the lease agreement dated as 
of June 3, 1998 with Sun Data, Inc. to the Commission upon request.

                                          LEINER HEALTH PRODUCTS INC.
     
     
     
                                          By:       /s/ WILLIAM B. TOWNE     
                                             ---------------------------------
                                             William B. Towne
                                             Executive Vice President, Chief
                                             Financial Officer and Director 

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