Popular model features everything a professional auto shop needs. Using compressed air, the venturi pump creates a vacuum in the steel tank. The easy-to-read vacuum gauge lets you know when you achieve the proper suction level. The HC-4297 is equipped with a large 16L collecting funnel, durable 90L capacity steel storage container, and 9L transparent bowl which gives the operator the option to check quantity and quality of oil prior to discharging into the tank below,includes 4 suction probes for fluid extraction. The bowl is heat resistant to a maximum of 60℃.This all-in-one fluid evacuator and self-evacuating oil drain gives you greater functional versatility when handling fluids in your shop.