Foam filter out for vacuum cleaners are designed specially for moist . Replacement foam sleeve is a foam clear out for vacuum cleaners which may be eliminated and wiped clean with water. Designed to fit: for WD NT Series Accessories MV1/WD1 /WD2 WD3. Colour: black + blue Material: foam + materials Package Contents: 1 * filter out facets 1 * filter bag Only the above kit content, other merchandise aren't included. Note: Light and various displays could cause the color of the object in the picture barely various from the real thing. The size allowed error is +/- 1-3cm.