Elitech Refrigerant Charging Hoses for Use with All Refrigerants – Elitech Technology, Inc.
36 inch AC Charging Hose HVAC Refrigerant R12 R22 R404 R502 R134A Car Air Conditioning Refrigeration Tube 3000-600 PSI Standard 1/4" SAE Hose Gauge Hose With Fittings (Blue) - Walmart.com
Car Filling Hose 134a Conditioning Rubber Hose Auto Refrigeration Air Conditioning Ac Hoses Thin Thick Shell 1 Meter - A/c Hoses & Fittings - AliExpress
Mastercool Inc., Manufacturer of Air Conditioning, Refrigeration, Service Tools and Equipment