Mastercool uses only (GRADE 5 HOSE) with a selection of Standard and Nylon Barrier for high-pressure applications. Knurled brass nuts make finger tightening easy. Crimped with 8-segment dies for secure fit and maximum durability. Hoses are available in sets and a variety of lengths to meet all EPA, SAE, and UL requirements for containment of refrigerant.

Mastercool uses only (GRADE 5 HOSE) with a selection of Standard and Nylon Barrier for high-pressure applications. Knurled brass nuts make finger tightening easy. Crimped with 8-segment dies for secure fit and maximum durability. Hoses are available in sets and a variety of lengths to meet all EPA, SAE, and UL requirements for containment of refrigerant.