All RLS Refrigerant Press Fittings are approved for use with refrigerants below. Contact us about s pecial blends or other refrigerants not listed here. Check your local codes to ensure that RLS fittings are suitable for use with your particular refrigerant.
| R-32 | R-125 | R-134a | R-143a | R-152a | R-227ea | R-290 | R-404A | R-407A |
| R-407B | R-407C | R-407F | R-407G | R-407H | R-410A | R-417A | R-421A | R-422A |
| R-422B | R-422C | R-422D | R-424A | R-427A | R-434A | R-437A | R-438A | R-442A |
| R-444A | R-444B | R-445A | R-447A | R-448A | R-448A | R-449A | R-449B | R-449C |
| R-450A | R-451A | R-451B | R-452A | R-452B | R-453A | R-454A | R-454A | R-454B |
| R-454C | R-455A | R-456A | R-457A | R-458A | R-507A | R-513A | R-513B | R-515A |
| R-515B | R-600 | R-600a | R-718 | R-1234yf | R-1234ze | Ethylene Glycol |