[WIDE APPLICATION] The ac hose with low loss fittings good for R410a and most other refrigerants like R22, R134a, R12, R502.need adapter. [HIGH WORKING PRESSURE] The working pressure of R410 Refrigerant Charging hoses can get 800PSI, burst pressure 4000 PSI. [WELL DESIGN] HVAC Hose designed to features with 45 degrees angle on the service port site for easier access, thread size 1/4 inch SAE male and female flare. Meet 1/4 inch SAE Requirement for Refrigerant Permutation. [PREMIUM QUALITY] The ac charging hose made of aluminum and rubber, premium refrigerant charging hoses last long; easy to operate and install, strong sealing for durability and safety. Color:As Shown Material:Aluminum + Rubber Package Contents: 1 set * HVAC Air Condition Refrigerant Hoses 1.5M Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.