19110 Quick Coupler (2 Pack), Low-Loss Gauge Adapter, 1/4″ SAE Female QC X 1/8″
19110 Quick Coupler for Fast Gauge Checks: 19110 quick couplers connect HVAC gauges directly to 1/4″ SAE service ports, allowing fast pressure checks without carrying full manifolds. Designed with a 1/8″ FNPT gauge side and 1/4″ SAE female quick coupler side for standard HVAC systems.