Perfect for Winix C545 Air Cleaner Purifiers: Fully compatible with C545 Air Cleaner Purifier, fit like a glove and are essential for maintaining the performance of your air cleaner purifier. High Efficient Filtration: Washable Pre-filter capture pet fur, dander, hair, and fiber. Activated carbon filter eliminates houshold odors from pets, cooking and smoking. It also helps prolong the Premium filter lifespan. Premium filter captures of airborne particles down to 0.3 microns. We aim to create a healthy and comfortable environment by provding fresh air for your home. Easy Installation: It is recommend to clean pre-filter 2-3 weeks, replace carbon filter 2-4 months and Premium Filter 8-12 months for optimal performance (depend on usage and environment). It is fairly easy to install the filter, no tools required, simply take out and replace from your machine unit when needed. SUPER CRAFT: SAKEGDY C545 replacement filter for Winix air cleaner purifier is made of high quality non-woven fabric and activated carbon, both adopt advanced lower energy consumption and lower density structure technology verified by the manufacturer, with higher efficiency and less pressure to ensure maximum filtration. COST EFFECTIVE: Package includes 1 washable fine mesh pre-filter, 3 Premium Filter and 6 activated carbon, fully meet your needs for the replacement of C545 filter, with premium materials and advanced technology, ideal solution for homes with pets, somkers, open kitchens. c545-124