[PRODUCT SPECIFICATIONS ]: This high-efficiency Core three hundred Air filter replacement seize 99% of airborne particles and odors, huge for households with pets, cooking and smokers. With cost-effective fee to avoid wasting lots charge in your all yr around air cleaning need. It is advised to switch filters for each 6-8 months. [REPLACEMENT PART No.]: Core three hundred Air Filters compatible for Core three hundred purifier and Core P350 air purifier, section quantity Core 300-RF & Core P350-RF is usually recommended to interchange filters for each 6-8 months. [QUALITY]: Air Purifier replacement filters improve your air effective & neutralize odors for a clean & wholesome respiratory journey 12 months around with substitute filters for air cleaners & purifiers fine performance use solely Replacement filters. Each air purifier's functionality is examined as a formulas with the filters for very best efficiency. Colour:white Material:plastic Size:193 x 150mm Package Contents: 1 x filter 1 x brush Only the above equipment content, various merchandise shouldn't included. Note: Light and assorted exhibits may cause the colour of the item in the photo slightly diverse from the genuine thing. The length allowed error is +/- 1-3cm.