It fits 15-55 gallon drums with 1-1/2 inches or 2 inches bung

The filter is designed with a separator & shield for efficient moisture

4 V Li-Ion Battery (343432)

Oil level switch

3/8 x 17ft

ALEMITE 3940 Series Oil-Mist Generators Light Duty Oil Mist - 3943-B Mode:3943-B It fits 15-55 gallon drumsAlemite oil mist systems are used to service all types of machine elements that require continuous lubrication, such as rolling element bearings and chain drives. These reliable systems have no moving parts, deliver a constant, measured stream of clean, atomized oil and are a cost effective option for ongoing automatic lubrication. OIL MIST GENERATORS Alemite Oil Mist Generators provide lubrication for multiple lubrication points or machines. 3920