[COMPATIBILITY]The Replacement C545 HEPA Filter S Fully Compatible with for C545 Air Purifier. Compared to Filter S 1712-0096-00. [TRUE HEPA FILTER]Premium True HEPA Filter captures 99.97% of airborne particles down to 0.3 Micrometres in size, composed of high quality filter, , safe, and reliable. [EASY TO USE]Easy to replace and disposable, no tools required. Simply remove and replace from your air purifier unit when needed. It is recommended to replace HEPA filter every 6~8 months for optimal performance. Colour:White Material:plastic Package Contents: 3 * 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.