Color coded hoses also help identify high side, low side and the filling hoses. Aluminum alloy manifold body features a built in sight glass so that you can see if the system is functioning properly.ALUMINIUM ALLOY VALVE BODY GAUGE(LOW): -30 TO 350PSI, -1 TO 25BAR GAUGE(LOW): -30 TO 700PSI, -1 TO 50BAR CARBON STEEL HOOK:3.5MM, CHROME PLATED 2 PCS 1/4" SAE CONNECTORS, ALUMINIUM ALLOY BODY 1 PC 1/2" SAE CONNECTOR, BRASS BODY 1 PC 3/8" SAE CONNECTOR, BRASS BODY 3 PCS COLOR-CODED 60" HOSE + 1 BLACK 60" HOSE BURST PRESSURE: 4000PSI MAXIMUM WORKING PRESSURE: 800PSI TEST R410, R22, R134A REFRIGERANT. The item "4 Way Manifold Vacuum Gauge Set R134a R410a R22 A/C AC HVAC Refrigeration KIT" is in sale since Saturday, August 19, 2017. This item is in the category "Business & Industrial\HVAC\HVAC Tools\HVAC Gauges". The seller is "starttools" and is located in South El Monte, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, Indonesia, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Qatar, Kuwait, Croatia, Malaysia, Brazil, Chile, Colombia, Trinidad and tobago, Guatemala, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Barbados, Bermuda, Bolivia, Ecuador, Egypt, Jordan, Cayman islands, Sri lanka, Luxembourg, Maldives, Nicaragua, Oman, Peru, Paraguay, Viet nam, Uruguay, South Korea, Taiwan, South africa, Austria, Philippines, Ukraine, United arab emirates, Bahrain, Costa rica, Panama, Honduras, Jamaica, Brunei darussalam.