1/8" NPT(f) Location Length 381192-2 Aluminum 1-1/8" Square 3/8" NPT(f) / 3/8" NPT(f) 2 All on one side 3" (76 mm) 381193-2 Aluminum 1-1/8" Square 3/8" NPT(f) / 3/8" NPT(f) 3 All on one side 4" (102 mm) 381173-2 Aluminum 1-1/8" Square 3/8" NPT(f) / 3/8" NPT(f) 4 Two on one side

Male nipple included

Adjustable collar allows the user to control the amount of sealant dispensed per stroke by changing the stroke length

3:1 Oil Pump with foot valve and inlet screen

Chemical Resistant - PVC is naturally chemical resistant

American Lube Equipment 53" Long Black Steel Downtube, 3/4" NPT (M) Couplings TIM-MTL75-53 Whip Hose 1/8" NPT(f) Location Length 381192-2Suction tubes are made from black steel pipe. The tubes in this chart are based on using no check valve. Subtract 3" from the tube length if using a 3: 1 check valve. 53" Long Black Steel Downtube For 3: 1 Thunder pump. 3 4" NPT (M) thread on both ends.