Foam filter for vacuum cleaners are designed specially for moist . Replacement foam sleeve is a foam clear out for vacuum cleaners that 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 + material Package Contents: 1 * filter elements 1 * filter bag Only the above equipment content, different products are not included. Note: Light and varied reveals could cause the colour of the item within the photo just a little different from the genuine thing. The measurement allowed error is +/- 1-3cm.