Features:
Item: 90¡ã adapters w/ valve core service port caps
Material: Copper and plastic
Fittings Have Removable Schrader Valves.
Material: Metal and Plastic
Low Side, 1/4" (7/16-20) x 13 mm (Blue)
High Side, 1/4" (7/16-20) x 16 mm (Red)

Can be matched used with the valve by connecting with screw thread
There are gas valves inside, equipped with a plastic protective cap

Package Includes:
1Pc x Blue Low Side Quick Coupler.
1Pc x Red high side quick coupler.
1Pc x 13 mm Blue Cap.
1Pc x 16 mm Red Cap.

[R12 To R134a Kit Compatibility] The AC fitting port adapter r12 to r134a is completely used to replace R12 R22 with R134A charging port 1/4" SAE or 7/16"-20UNF adapter, perfect air conditioning conversion adapter kit.

[R134a Quick Coupler Quality] Durable material: both of the kits are made of corrosion-resistant metal that won't wear out or rust over time and an anti-leaking design that will be safer for you.

[R12 To R134a Kit Service Gurantee] This Fitting Adapter Kit come complete with a 1-Year warranty. Our department Usually does a 100% quality inspection on the Fitting Adapter Kit before delivery. We will refund if the Fitting Adapter Kit part is defective. If you have any problems, feel free to contact us.