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RS-44b (R453a) is the newest R22 drop-in replacement refrigerant in the U.S. market. RS-44b has been sold worldwide for the past 5 years, branded as
Check Out, RS-44B The Next Generation To Replace Ask A D&L , 50% OFF
R453a, 23 oz. RS-44b New Replacement Refrigerant, ASHRAE Certified, EPA Accepted on eBid Canada
RS 44b Drop-In Replacement Refrigerant for R22 Overview
RS-44b Refrigerant, 24 Pound Cylinder, Drop In Replacement for R22
R424A (RS-44) Product Information
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Anyone Try Rs-53 As A Drop In Replacement For R410a?, 50% OFF
R515b, 8 oz. Can, Check & Charge It Gauge, Hose, ASHRAE & EPA Approved Drop-in R on eBid United States
RS-44b Refrigerant, 24 Pound Cylinder, Drop In Replacement for R22
Gregoriou Brothers Refrigeration Since 1979 Frosty-Freeze R22 Replacement, R422B, #1 Drop-In Alternate, Ok If InadvertentlyMixed, Kit B An acceptable
R22 Replacement, R422B, #1 Drop-In Alternate, Ok If Inadvertently Mixed, Kit B