Hongfa Replacement Germguardian AC5000 Filters, Filter C Air Purifier Filter FLT5000 & FLT5250PT HEPA Compatible with AC5000/AC5250PT/AC5350B Series(1pc Filter c+4 Carbon pre Filters+1 Clean Brush) Fit Model Compatible with Germguardian Air Purifier Models FLT5000 series, AC5000, AC5250PT, AC5300B, AC5350W, AC5350B, AP2800CA, BXAP250 and IAP-GG-125 About Replacement Germguardian AC5000 Filter C HEPA filters capture 99.97% of of dust and allergens as tiny as .3 microns to remove things like household dust, pet dander, mold spores and pollens. Ideal for anyone who suffers from allergies or asthma. About Replacement Germguardian AC5000 Pre Filter Activated Charcoal filters helps reduce common odor from pets, smoking and cooking. No more nasty smells in the house to improve the indoor air quality. Shipping List You'll get 1 pack replacement HEPA Germguardian ac5250pt Filters for the price of one with FOUR extra Pre-Filters included. Cheap enough so you can simply remove and replace. Youll have enough to last for the whole year depending on your usage. Warranty If you have any questions,whether size choices or installation issues,feel free to contact us,we will respond within 24 hours. Replacement Filter C is a combination filter. It includes a HEPA filter that captures 99.97% of allergens as small as .3 microns. It also contains a pre-filter/activated carbon filter layer that captures odors from cooking, pets and smoking. HEPA Filter: continues to reduce allergens. CAPTURES ALLERGENS:HEPA Filter captures 99.97% of dust and allergens as small as .3 microns such as household dust, pet dander, mold spores and plant pollens. REDUCES ODORS: Charcoal filter layer reduces common odors from pets, smoking and cooking. Acts as a pre-filter to capture large dust particles, helping to extend filter life. Only one single combination filter needs to be replaced every 6-8 months depending on the use of the product; Extra Charcoal replacements can be used separately to extend the life of your filter. When the hepa filter turns from white to grey or black it should be replaced with a new one . If the hepa filter is still white , it does NOT need to replaced .