Product use: Pleated filter for air purifier (compatible (non-genuine) Correspondence part number:Successor with 006 A 4 017 A 4 Function: dust collection, , antiviral Estimated for replacement (1 sheet): About 1 year, the replacement time will vary depending on the time of use and installation location. This item is a consumable item. If the dirt is conspicuous and the effect seems to be lowered, we recommend that you replace it promptly. Corresponding part number 017 A 4 Major applicable model: ACK75L-, TCM80R-W, ACM70MMP-W, ACM75L-W, ACM75M-W, 75N-W, 75P-W, 80R-W, 80S-W, 80T-W, ACZ65M-W, MC75L-W, MC75LK-W, MC75LKS-W, MC75M-W, MC75MK-W, MC75MKS-W, MC75N-W, MC75NKS-W, MC75P-W, MC75PKS-W, MC80R-W, MC80RKS-W, MC80S-W, MC80SKS-W, MC80T-W, MC80TKS-W, MCA75LE7-W, MCA75ME8-W, MCA75PE1-W, MCA80RE2-W, MCA80SE3-W, MCA80TE4-W, MCK75L-, MCK75L-W, MCK75LBB-, MCK75LBB-W, MCK75LE7-W, MCK75LK-W, MCK75LKS-W, MCZ65M-W, MCZ65ME8-W, MCZ65MKS-W, TCM75P-W, ACK75L-W Please check the corresponding model, please order. The replacement time varies depending on the time of use and installation location. Color: blue Material: Composite Package Contents: 5 * Air purifier pleated filter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.