MTHFO134 Working Man's Choice Manifold HFO & 134A 6' Hoses & Couplers. The Workingman's Choice™ series 2 valve anodized aluminum block body with 1/4" SAE 45° fittings, Triple Seal™ piston valves, sure grip rubber over metal valve handles, easy-to-read 3-1/8" (80mm) Class 1.0 accuracy gauges, protective gauge boots, extra access port in center with Schrader® valve and hanging hook.Working Man's Choice Manifold HFO/134a 6' Hoses & Couplers For 134A & 1234YF