Description: [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. NOTE: Marked R-410aThe pressure range is suitable for R410a, but it cannot be used directly and needs tobe used with an adapter the label words on the product are random, Cannot be chosen the specific words. The actual product may have slight differences or color differences. Material: rubber colour: Black Package Contents: 3 set x HVAC Air Condition Refrigerant Hoses 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.