Craftsman Green Stripe 16 and 32 gallon Shop Vac Filter 9-17804 For Shop Vacs Manufactured Prior to 1988 For following wet-dry vacs. 9-1782, 9-1786, 9-1796, 9-17904, 9-1797, 9-1798, 9-17988, 9-17877,9-17992, 9-17993, 9-17995, 9-17967 This filter's pleated paper surface covers 10 times more surface area than a foam filter Fits 16 and 32 Gallon Models Green Stripe Replacement Filter is reusable, so you can clean it and replace it in your machine as needed