General description Designed for CANISTER Shop Filter Elements - 90304, 90350, 90333, these filters are compatible with most 5-gallon and larger Shop-Vac wet/dry vacuum cleaners. They feature high-level filtration, can be washed and reused, and are made of high-quality materials. The unique pleating design enhances airflow, reduces clogging, and effectively improves the air quality in your home. Technical specifications Color: Black + White Material: Plastic Package Contents: 2 x Filter, 4 x Foam, 1 x Clean Brush Measurement allowed error: +/- 1-3 cm Installation Installation can be completed in seconds. Simply remove the old filter and refit the new filter.