R-421A...

.is a unique non-ozone depleting long-term replacement for R22
..is an environmentally Green refrigerant
..can replace R22 without unit modification
..does not contain a hydrocarbon, such as Butane
..can replace R22 with no change of oil
..can be used in compressors designed for R22
..can be used with Mineral, AB or POE oils
..is the only 2-component blend to replace R22
..is non-flammable and rated A1 by ASHRAE
..is comparable to R22 in terms of performance across the R22 temperature range
..is currently in use in a wide variety of applications including:
Air Conditioning Split Systems
Dairy Chillers
Refrigerated Transport
Cold Stores
Reach-in Storage
Self-Contained Display Cabinets
Supermarket Pak Systems
Bakery Applications
Walk-in Coolers
And More..
* R-421A is packaged with a performance enhancing lubricant.

Information