About This Enhanced Compatibility:Fully Compatible with Honeywell InSight HPA5100B HPA5150 Air Purifiers and PowerPlus Series HPA3100, HRF-R1/R2 (Filter R),HRFSC1(Filter S), HRF-A100(Filter A),HRF-ARVP100 Precision Fit:Our filters are specially cut and designed to fit your HW HPA5100B perfectly.Never waste time measuring again.ensures efficient and quiet operation,providing clean and odor-free air in your home. H13 True HEPA Filter:Efficient 3-in-1 True HEPA filtration system traps pet hair, dust to keep your home clean. Value Packaging: Package includes 2 x HEPA R Filter , 2 x HRFSC1 and 4 x Carbon Pre Filter . Replacement Reminder:Recommended replacement every 2-4 months, or every 2 months for pet owners, to maintain peak efficiency. Overview Brand : Leycaiusen Material : Nylon, H13 high efficiency filter paper Product Dimensions : 14"L x 1.3"W x 10"Th Compatible Devices : Honeywell HPA5100B HPA5150 Item Weight : 1.2 Pounds Number of Items : 2 Manufacturer : Exclusive Filters Environmental Technology (dongguan) Co., Ltd. Product Grade : new Unit Count : 2.0 Count