Cerma Blue Ice A/C Refrigeration Ceramic Treatment STM-3 SiC All Refrigerants
Compatible with all refrigerant types: R-410A, R-134a, R-22, R-404A, R-407C, R-507. Dosage: 1 oz per ton of cooling capacity. Requires Cerma Applicator Tool for service port injection. PTFE-free, solvent-free.