Filter O – 1712-0110-001712-0110-00 · US · OEMVerified for US models only.Official manufacturer / OEMWinixFilter O↗Aftermarket listingsNispiraFilter O replacement filter, 2-pack↗Marketplace listingsPullutyA230/A231 Filter O 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 · Winix AmericaView evidence ↗