BreatheSmart FIT50 HEPA FilterFF50 series · US · OEMVerified for US models only.Official manufacturer / OEMAlenBreatheSmart FIT50 HEPA Filter↗Aftermarket listingsFilter-MonsterAlen BreatheSmart FIT50 HEPA replacement↗Aftermarket compatibility is stated by the seller or maker and is separate from Filter Fit evidence.Full part details →Open manufacturer source ↗Evidence A · AlenView evidence ↗