2-pack Standard Wet/dry Vac VF4000 Replacement Filter, 2 PACK VF4000,
Filter made of FSC-Certified paper. 【Washable & Reusable】: these filters can be hand-washed with warm water, air-dried, and reused for 3-6 months depending on usage. 【More filtering Area】 more than twice the filter surface area of the leading competitor.