Uniweld’sHUMM•VAC Vacuum Pumps remove moisture and dehydrate an air-conditioning system quickly and efficiently. All HUMM•VAC models have a micron rating of 15 and displace free air at 6, 8, and 12 CFM, depending on model.Air-conditioner vacuum pump

Features include a nonslip rubber hand grip; dual-voltage power box; low-decibel fan-cooled motor; heat-dispersing motor and reservoir fans; low-profile, easy-access oil drain; and three-way intake fitting with tethered caps.