CLEAN & QUALITY: Replacement D Filter with Pre-Filter Fitted Carbon for AER1 Purifiers removes pollen, dust, and odor indoors to keep your house's quality safe and clean for your family to in. TRUE HEPA FILTRATION: True HEPA purifier performance catches up to 99.97% of particles in the and traps it into filter panels; great choice for allergy sufferers and germophobes who want to remove allergens makes it hard to . LONG LASTING CLEAN : This filter generally lasts for 6 months before needing to be replaced so you can enjoy clean and filtered for long. EASY INSTALL & REPLACEMENT: This filter is designed to fit Purifier Filter D; once the filter indicator light for your alerts you to replace it, simply take out the old one and mount the new unit into the filter slot. Simple, quick, and easy with no required. DELIVERS EXCEPTIONAL PERFORMANCE: filter from us made from premium quality material and will as excellently as filters. You are assured performance from your purifier with our filters. colour:purple & black Material:Composite material Package Contents: 4 * Replacement Filter 8 * carbon spray sponge 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.