134a Highside Thread Down Coupler w/14mm ends
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- Thread down couplers are used for hard-to-reach Schrader valves.
*Must be used on an R134a manifold gauge set
*Will only fit on R134a High Side FItting (small line)
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134a Lowside Thread Down Coupler w/14mm ends
Thread down couplers are used for hard-to-reach Schrader valves.

