Volume 141 Catalog Page: 172R-22 alternative refrigerantCompatible with compressors designed for R22Can be topped-off without removing refrigerant chargeThe only 2-component blend to replace R-22Comparable to R-22 performance temperature rangeUse with mineral, AB or POE oils, so no need to change oilNon-flammable, does not contain hydrocarbonsDo not mix with other refrigerantsAdditional freight charges will apply for shipments outside our local delivery areasR-421A