This Premium Odor Reducing Pre-filter fits virtually all Honeywell Console Round QuietCare & SilentComfort Series Air Purifiers. It helps capture larger airborne particles such as dust lint fibers pet hair & fur maximizing the HEPA filter life. The activated carbon and zeolite helps reduce common household odors and absorbs some common harmful household gases & fumes from cleaning products paint & furnishings. 1) For best performance replace every 3 months 2) Can be cut to make 1 to 8 pre-filters depending on air purifier model 3) Shipper is also a display tray – simply tear off at perforation and remove top of shipper; White.