AL 8-24-04074-2 Synthetic Panel Air Hopper Filter for Clarke American Lincoln 6700, 91WS, 114RS, 401 and 436 Sweepers and SC7730, Smart 2000 (40" and 46" units) Sweeper/Scrubbers. Also fits Nilfisk CR 1000 and CR 1000XL models. Upgraded, water-washable spunbond poly media hopper air filter with heavy duty poron gasket material. Measures 23-1/2" x 12". Fits Clarke American Lincoln 6700, 6700D, 6700G, 6700B, 91WS, 114RS, and older 401/436 sweepers. Also fits SC 7730, 7730-40", 7730-46", Smart 2000, Smart 2000-40" and Smart 2000-46" sweeper/scrubber units. Please check your model number or filter dimensions before ordering. Be sure to dry completely before reinstalling. We also offer this in the basic cellulose filtering media, use AL 8-24-04084-1. Priced Each. Replaces Nilfisk Clarke American Lincoln 8-24-04074-2. Our Part Number AL 8-24-04074-2SYN