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
RS-44b Refrigerant, R22 Replacement-COMSTAR INTERNATIONAL INC.
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RS-44b - Replacement For R22
Experimental evaluation for potential drop in refrigerants under
RS-44b Refrigerant, 24 Pound Cylinder, Drop In Replacement for R22
Experimental evaluation for potential drop in refrigerants under
2024 R22 Refrigerant Price: A Complete Cost Guide
2023 Home AC Recharge Cost
Experimental evaluation for potential drop in refrigerants under
Check Out, RS-44B The Next Generation To Replace Ask A D&L , 50% OFF