The filter is made of high strength and environmentally three-layer material, easy to install without , durable and easy to clean.Blocks dust and reduces dust damage to sensitive machine parts. Widely , suitable for all CX7-2 and AEF150 models: ZB3301,ZB3302,ZB3311,ZB3314,ZB3320P,ZB3323B,ZB3324B,ZB332,BCX7-2-30DB,CX7-2-30GM,CX7-2-35TM,CX7-2-35WR,CX7-2-35,CX7-2 -35FF,CX7 -2-45BM,CX7-2-45IM,CX7-2-45WM,CX7-2-45AN, CX7-2-45B360,CX7-2-45I360,CX7-2-45S360. Easy to change and clean: filter for is fully washable and reusable filter for a life and better filtration. Easy to install, the filter can be removed and reinserted quickly and easily - the filter is released from the housing by turning. The new filter means the extracted by the vacuum cannot contain any excess particles. In conjunction with a good supply, it also ensures a long service life and high suction . It can be easily removed and replaced as part of normal maintenance.It is best to replace the spare parts 2 to 3 months so the machine runs at maximum performance. size:59.5 x 92 x 44mm Material:plastic colour:Black+white Package Contents: 6 x HEPA filter Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.