UPGRADE YOUR VACUUMS: Replace the sponge pad with the motor cover and HEPA filter to reduce the noise and improve the filtration performance and of your vacuum cleaners. EASY TO INSTALL: Open the vacuum's back with a thin hard sheet, take out the sponge pads and put the back cover part in its place and push hard into the vacuum then install the filter. (The logo part should upward when installing) PERFECT FIT: The filter and motor cover set fits for V7 , for V7 Car+Boat, for V7 Trigger Cord-Free Vacuums Cleaners. Not suitable for v6 v10 v11 and DC series. HIGH QUALITY & DURABLE: Both filter and motor cover are made of premium material, work more efficiently and durably. The filter is washable in warm or mild detergent if desired. Allow the filter to air dry completely before replacing it. Note: The rear cover does not need to be removed after installation if not necessary.It can reduce the noise and improve the filtration performance and of your vacuum cleaners. Colour: gray + purple Material: plastic Package Contents: 1 * Motor back cover 1 * Post 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.