JIFETOR Diagnostic Household Refrigerant Adjustable Tools & Equipment best: Air Conditioning Tools & Equipment Review

AC MANIFOLD GAUGE: 3 way double movement brass manifold auto AC gauge, durable and anti-corrosion. Blue low pressure gauge with range -30inHg~250PSI, and red high pressure 0~500PSI, Celsius unit. 2-3/4" easy to read large dial with color coded scale, and sight window on the manifold help to monitor refrigerant charging and recovery better and easily. Built in calibration screw and no-flutter pointer ensure measurement accuracy. Perfect for R404A R134A. 3 5FT COLOR CODED HOSES: Refrigerant charging kit uses rubber nylon resin hoses, featured with anti-corrosion, low fluid resistance, high bearing pressure, ensure durability and good air sealing. Max working pressure is 600PSI and burst pressure is 3000PSI. Each side is loaded with 1/4" female brass fittings for easy connection. Red hose connects red gauge side 1/4" male flare to red quick coupler, blue to blue, and yellow hose connects AC gauge middle charging port to can tap or vacuum pump. ADJUSTABLE AC R134A QUICK COUPLERS: Premium brass and aluminum, quick interface design with accurate snap lock and anti-slip knurled grip ring, easy to connect and disconnect, compatible with all models with standard R134A service port. Connect the blue coupler to AC suction service port and the red one to AC discharge service port. Clockwise open and anticlockwise close easily by twisting the adjustable red/blue knob, reduce Schrader valve wear and ensure no leak when connect/disconnect. CAN TAP, ADAPTER, DETAILED INSTRUCTION: R134A piercing-type can tap with 1/2" female thread interface, can screw to fix on 1/2" male thread of refrigerant bottle opening. T type knobs, easy to operate by fingertips. Internal pin with sharp tip help to pierce R134A bottle easily and quickly. There are also a well-written detailed instruction, a bag of hose valve accessories kit and adapter with shut off valve in the box. SATISFACTORY CUSTOMER SERVICE: JIFETOR complete AC manifold gauge set is perfect for automotive and residential air conditioner evacuation/vacuum, diagnostic check, coolant charging and recovery. 30 days full refund with returned undamaged JIFETOR product. Any quality related problem in 1 year, we will replace the fittings for free or refund. Any question, please feel free to contact us by email or amazon message system, we will reply ASAP in 24 hours.