This item is air conditioner refrigerant recharge hose, which is made of materials, practical for use, not easy to deform and wear. professional refrigerant recharge hose, suitable for many kinds of air conditioners. Features -Material: Rubber, copper. -Size: About 29.00X3.00X1.20cm/11.40X1.18X0.47in. -Working pressure: 800 psi. -Explosion pressure: 4000 psi. -Support refrigerant: r134a, r410a, , -Final interface size: Both ends are: 1/4" SAE. - Made by rubber and strong copper, this adapter can be used for a long time. - It has good effect and can bring you a good use using experience. - It is made by good craftsmanship and has thick texture, can buy it with peace of mind. - The high-pressure refrigerant adding hose provides safety and convenience for the testing or charging of many HVAC systems. - It is used for adding refrigerant to vehicle with highly working performance. Package list: 1 x refrigerant filling