AL 8-24-04148-1 Panel Air Filter for Clarke American Lincoln SC 750, ATS 46/53 Sweeper/Scrubbers and 6150 Sweepers. Standard cellulose filter media enclosed in a sturdy galvanized frame with a heavy duty poron or urethane gasket material. Fits Nilfisk and Clarke American Lincoln models including SC 7750, ATS 46, ATS 53 (ATS 46/53), 6150. Measures 24 x 19-5/8 x 3-3/4". We also offer this hopper filter in our popular water-washable synthetic version, AL 8-24-04148-2. Most units require only one hopper filter. Priced Each. Dealer list price is over $142.00. Replaces Nilfisk Clarke American Lincoln 8-24-04148, 8-24-04148-1. Our Part Number AL 8-24-04148-1P