Product Description Mastercool 2-way Brass Charging and Testing Manifold 66661. This manifold works with R134a. 3 60" Charging Hoses included. Red and Blue hose connections are 1/4" SAE x 1/2" Acme. The Yellow hose is 1/2" Acme x 1/2" Acme and has a quick seal fitting for the tank. Quick Couplers included, High Side Red is 1/4"m x 16mm, Low Side Blue is 1/4"m x 13mm. Gauges are 2 1/2" and can be calibrated to maintain accuracy. Heavy duty forged brass body. Free-floating piston type valves reduce o-ring wear. Hose holder for convenient storage. Silicone dampened gauges smooth out needle movement. Gauges can be easily recalibrated in the field to maintain accuracy. Made in USA.
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