Mastercool 53376-YF R1234yf Visual Inspection Sight Glass with R1234yf Quick Couplers Buffers & Polishers improved valve design makes this

improved valve design makes this blow gun more convenient

to 1/4" Hex Quick Change Impact Adapter

Output: 12 Volt Female Plug Adapter

non-slip rubber grip handle

Mastercool 53376-YF R1234yf Visual Inspection Sight Glass with R1234yf Quick Couplers Buffers & Polishers improved valve design makes thisR1234yf VISUAL INSPECTION SIGHT GLASS lets the user to see the condition of the refrigerant in the vehicle A C system INCLUDES REFRIGERANT CONDITION CHART which visually shows the possible contaminants that could be seen in the inspection glass BALL VALVE provides leak free control and allows extracted refrigerant to be deposited back into the system HIGH AND LOW SIDE R1234yf QUICK COUPLERS easily snap to A C service ports and are designed to work in