Shop Vac Cartridge Filter 903-99 or 903-98-00 / Type AA for Wet or Dry Pickup Genuine. 1/piece. Retainer not included. Designed for both wet or dry pick-up and fits Hang Up Vacs, 5 Gallon Contractor Portable, Floormaster Plus, All Around Plus, Heavy Duty Portable and All Arounds with 1-1/2 and 2 Gallon tank sizes. qal80, qal80a, qam70, qas60 (except stainless steel model) (5-7/8" Outside Diam - 4-1/8" I.D. x 5" Tall) [903-99-00, 9039900] Sug Retail $19.99