Ridgid Part # WD4070 - Ridgid 4 Gallon 5.0 Peak Hp Portable Wet/Dry Shop Vacuum With Fine Dust Filter, Locking Hose And Accessories - Canister Vacuums - Home Depot Pro
RIDGID Wet Debris Application Foam Wet/Dry Vac Cartridge Filter for Most 3 to 4.5 Gallon RIDGID Shop Vacuums (1-Pack) VF3700 - The Home Depot
Filtration – RIDGID NXT
Ridgid Vacuum Filter, Housmile Ridgid Shop Vac Filter, VF4000 Replacement Filter Compatible with 5-20 Gallon Wet or Dry Vacuums, Ridgid Standard Wet/Dry Vacuum and Fits Husky Vacs 6 to 9 Gallon :