Core 400S-P 3-Stage Replacement FilterCore 400S-RF · US · OEMVerified for US models only.Official manufacturer / OEMLevoitCore 400S-P Original Replacement Filter↗Aftermarket listingsNispiraCore 400S 3-in-1 replacement filter, 2-pack↗Marketplace listingsPullutyCore 400S replacement filter↗Aftermarket compatibility is stated by the seller or maker and is separate from Filter Fit evidence.Full part details →Open manufacturer source ↗Evidence A · LevoitView evidence ↗