foam filter for wet dry vacuum cleaners are designed specifically for wet pick up Replacement foam sleeve is a foam filter for wet dry vacuum cleaners that can be removed and cleaned with water Designed to fit: for NT Series Accessories MV1/WD1 /WD2 WD3 Material:Plastic+cloth+foam colour:Blue + Black Package Contents: 1 x sponge filter 1 x filter bag 1 x filter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.