DESIGNED TO WORK IN ANY R22 SYSTEM WITH SUPERIOR PERFORMANCE OVER R22. Great in HEAT-PUMP units. No retrofit necessary – Same Fitting as R22 – Same gauges as R22 – Environmentally Safe. CHECK OUT OUR REVIEWS. 100% Organic Made from Earths Natural ingredients. Guaranteed to work in any R22 system. Ecofreeez , is a blend of environmentally safe hydrocarbon fluids refined to pharmaceutical level and designed as an option in R22 refrigeration systems. Ecofreeez operates at much lower head pressures and offers improved cooling properties, performance and lower amperage usage compared to R22. 1 Ounce is equal to 2.5 Ounces of R22. Packaged as 30lbs Equivalent – Tanks contains 12 net lbs. Use much less and achieve better result!! GET THIS ADDDED BONUS!!! Compatible with ALL refrigeration materials and lubricants including metal components, mineral and synthetic(Ester and PAG) lubricants, seals, gaskets, hoses, compressors, and o-rings. 100% natural organic, non-ozone depleting, non-global warming. Non-toxic, non-carcinogen, Flammable auto ignition temperature above 978 F. No known health risks have been attributed to ecofreeez. The item “Ecofreeez R22 Replacement Guaranteed to outperform in R22 systems” is in sale since Wednesday, June 18, 2014. This item is in the category “Business & Industrial\Restaurant & Food Service\Refrigeration Equipment\Other Restaurant Refrigeration”. The seller is “freonfree2012″ and is located in Brooklyn, New York. This item can be shipped to United States.