Usage Tips:COMPATIBILITY - FY1700 Replacement Filter Compatible with for Air Purifier Series 1000i - AC1715/10, AC1715/30,AC1715/11 Air Purifiers, Part Number FY1700/30. VALUE PACKAGE - The replacement filter kit includes 1 pack FY1700 HEPA activated carbon filter. filter: true HEPA filtration can remove up to 99.97% of airborne particles up to 0.3 Micrometres in size and dust. The activated carbon layer can effectively absorb odours and smoke odours in the air. EASY INSTALLATION - Installing our replacement filters is simple. Note: please remove the plastic bag of the filter packaging before inserting it into the machine. REPLACEMENT REMINDER - To the usage effect of the machine, please clean and replace the filter in time. Colour:As Shown Material:Plastic Package Contents: 1 * Air Purifier filter Only the above package content, other products are not included. Note: Light reflection 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.