Customer matched zone "United States (US)" Product Price Quantity Subtotal × PerfectO2 Filter Smart PakAvailable on backorder $9.24 PerfectO2 Filter Smart Pak quantity $9.24 Coupon: Apply coupon Update cart You may be interested in… Quick View Rebuilt Invacare HomeFill Complete System-Perfecto2 Concentrator Rated 0 out of 5 $1,100.00 image/svg+xml Read more Quick View Platinum Filter Kit Rated 0 out of 5 $10.00 image/svg+xml Add to cart -13% Quick View PerfectO2 Filter Kit Rated 0 out of 5 $11.24 $9.80 image/svg+xml Add to cart Cart totals Subtotal $9.24 Shipping Weight Based Shipping: $9.20 Shipping to AZ. Change address Select a country / region… United States (US) Select an option… AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict Of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyomingArmed Forces (AA)Armed Forces (AE)Armed Forces (AP) Update Total $18.44 Proceed to checkout — OR —