Mastercool is the leading manufacturer of professional quality A/C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mastercool, every manifold we build is built to last.
• Solid extruded aluminum body
• Stainless steel ball valve design controls flow smoothly and quickly with only a quarter turn
• Extra large sight glass for visual refrigerant check
• Large 3-1/8" (80mm) gauges
• Silicone dampened gauges smooth out needle movement
• Gauges can easily recalibrate in the field to maintain accuracy
R134a 4-Way Aluminum Manifold Gauge Set include 72" hoses (connections for blue and red 14 mm-M and yellow 1/2" ACME-F with auto shut-off valve), 3 1/8" gauges in PSI/KPA/˚F and manual couplers packaged in a blow molded case.