About this item【WIDE COMPATIBLITY】 -- The high & low quick couplers adapters are suitable for R1234yf refrigerants, AC manifold gauge, diagnostic check, recovery and evacuation work.【EASY INSTALLATION】 -- Brass metal construction for quick and easy to install, red for high pressure, blue for low pressure, include 2 pcs removable brass adapter (1/4" SAE Male Port).【SAFETY& DURABLE】 -- Extended disconnect protection sleeve provides safety protection and protect from injury and refrigerant loss, defending against leakage. Hard construction make sure that durable and long lasting to use.【PREMIUM QUALITY】 -- The heavy duty low loss refrigerant manual couplers are made of brass mental material, pass a strict inspection to ensure high q.
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