【𝟒 𝐂𝐅𝐌 𝐕𝐀𝐂𝐔𝐔𝐌 𝐏𝐔𝐌𝐏】Alloy aluminum casing makes the single-stage rotary vane AC vacuum pump durable and long time use. All-copper wired motor and high volume cooling fan keep hvac vacuum pump running efficiently and for a longer life. 【𝐌𝐀𝐍𝐈𝐅𝐎𝐋𝐃 𝐆𝐀𝐔𝐆𝐄 𝐒𝐄𝐓】You could directly read the temperature(℉) and pressure(psi) of R1234yf/R134a/R410a refrigerant on the professional dial. This gauge could be hung on the car/air conditioner cover or other high places through the top hook, freeing your hands for more works. 【𝐇𝐄𝐀𝐕𝐘 𝐏𝐑𝐄𝐒𝐒𝐔𝐑𝐄 𝐇𝐎𝐒𝐄𝐒】Ac gauge set has three high-strength pressure hoses, red for high-pressure pipes, blue for low-pressure pipes, yellow for vacuum pumps; 5FT long for each one, 1/4 SAE to 1/4 SAE, 800 PSI working pressure; 4000 PSI burst pressure. 【𝐑𝐞𝐟𝐫𝐢𝐠𝐞𝐫𝐚𝐧𝐭 𝐋𝐞𝐚𝐤 𝐃𝐞𝐭𝐞𝐜𝐭𝐨𝐫】Freon leak detector triggers on R1234YF, R134A, R410A refrigerants. Turn the knob to open and choose the sensitivity level to self -check auto AC or air conditioning and other. 【𝐑𝟏𝟐𝟑𝟒𝐲𝐟 𝐑𝟏𝟑𝟒𝐀 𝐑𝟒𝟏𝟎𝐀 𝐂𝐎𝐌𝐏𝐋𝐄𝐓𝐄 𝐊𝐈𝐓】Vacuum pump and gauge set for R1234yf HVAC/AUTO air conditioning refrigeration recharging system, with a large-capacity tool bag that can carry all the accessories needed at one time. 【𝐏𝐀𝐂𝐊𝐀𝐆𝐄】4CFM Vacuum pump*1 (with vacuum oil*1), manifold gauge*1, pressure hose*3, refrigerant leak detector*1 , r134a quick couplers*2, r134a to r1234yf quick couplers*2, 1/2 ACME-1/4 adapters* 1, 5/16 SAE - 1/4 SAE adapters*2, r134a can tap opener*2, r1234yf can tap opener*1, user manual*1, tool bag*1. BACOENG R1234YF AC Vacuum Pump and Gauge Set, 4 CFM HVAC Vacuum Pump with Leak Detector for R1234yf R134a R410a Refrigerant, with Can Tap and Quick Couplers