| R32 | 134A | 404A | 407 | R410A | R417A | R421A |
| R422 | R424A | R427A | R434A | R437A | R438A | R445A |
| R446A | 447A | R447B | R448A | R449 | R450A | R451A |
| R451B | 452B | R453A | R454A | R454B | R454C | R455A |
| R456A | R460A | R460B | R460C | R463A | R507 | R513 |
| R718 | R1234yf | R1234ze | Ethylene Glycol |
Contact us about special blends or other refrigerants not listed here.
Check your local codes to ensure that RLS press fittings are suitable for use with your particular refrigerant.
RLS fittings are also compatible with the following industrial (non-refrigerant) gasses: nitrogen, argon, helium and oxygen (non-medical).