Faithfull FAIOCP50205L Barrel Pump - Lever Action for 50-205L Drums The Faithfull FAIOCP50205L has an efficient lever action pump for use with steel barrels. This heavy-duty pump features a diecast aluminium head and bung nut, with a zinc plated 38mm curved discharge spout and telescopic suction tube that adjusts to suit the barrel size. The Faithfull FAIOCP50205L is for use with petroleum based liquids only with the following specifications: Delivers: 300ml (10 fl oz) per stroke. Fits: 50 to 205 Litre (15 - 55 gal) drums.