[WIDE APPLICATION] R134a refrigerant charging hose with ball valve deigned to use in adding R410A, R134A, R12, R22, R502 refrigerant to vehicle or home air conditioning. It is a necessary tool for HVAC, car air condition maintenance. [HIGH WORKING PRESSURE] The working pressure of R134A charging hoses and ball valve set can get 600PSI, burst pressure 3000 PSI. [PREMIUM QUALITY] HVAC refrigerant hoses are made of high-quality brass alloy and rubber, strong sealing for durability and safety. Easy to operate and install. [PACKAGE INCLUDE] Refrigeration charging hoses with 1/4" SAE male and female thread are 3 pieces 60" inches long hoses, coded in red, blue and yellow. All completed with compact ball valve and metal handles on AC charging hose. [SERVICE] This refrigerant AC charging hoses with ball valves complete with 1-Year limited warranty. If you have any problems or concerns, please send us mail at any time, and we will reply to you in 24 hours., Weight: 1.6093745126 pounds, Manufacturer: gohantee