FJC 6015 Adapter - 1/2 ACME female to 1/4 male

R134a Auto Quick Coupler Bass Adapters W/1/4" Male to 1/2" ACME Female Adapter

ZNDAW R410A Adapter for Mini Split System, 5/16 Female to 1/4 Male Flare...

Aupoko R410A Refrigerant Charging Valve, 1/4" Male to 5/16" Female

FJC 6015 Adapter - 1/2 ACME Female to 1/4 Male Flare for R12 Hose To R134a Tank

Wells R410A Mini Split Adapter Kit, 12PCS 5/16 Female to 1/4 Male Adapter...

R134A Can Tap with Tank Adapter 1/4 SAE Female and 1/2 Male - Puncture R134a...

Aupoko R12 to R134A Adapter Conversion Quick 1/4" Female x 1/2" Male, Gold