The Shop-Vac Ridgid Cartridge Filter part # 9032800 is a replacement cartridge filter designed for Rigid and Craftsman wet/dry vacuums. It is made to be used with wet and dry pick up, and fits all vacuums with a six gallon tank or larger. The Ridgid cartridge filter fits by friction fit and does not require a nut to secure it.
The Shop-Vac Ridgid Cartridge Filter fits both old and new style Ridgid full size vacuums, Craftsman wet/dry vacuums, and wet/dry vacuums with a six gallon tank or larger.