Replacement filter for SANI-T Breeze Air Purifier - MAX (Model No. SAN-485) 4-in-1 filter combo: integrates the pre-filter, nano silver antibacterial coating, HEPA H13 and activated carbon into one powerful filter Effectively traps airborne contaminants like dust, smoke (from cooking, cigarettes, wildfires etc.), and common allergens like pollen/pet dander Long-lasting filter for 3,000 hours of use under normal conditions Filter life depends on frequency of use and environmental cleanliness: (e.g., if the unit is set in a small poker room with four smokers or set in a restaurant back kitchen comparing to a normal clean living room, the filter life would be much different) Assembled Length: 8.27 in Assembled Width: 8.27 in Assembled Height: 12.24 in Assembled Weight: 1.95 lb Material: HEPA