Square Polycarbonate Reservoirs use gravity to dispense liquid.  They are designed to serve as a central reservoir of an oiling system. 

Items
B2747-6

Square Polycarbonate Reservoir, 1 pint

B2747-16

Square Polycarbonate Reservoir, 1 quart

B2747-16-S03

Square Polycarbonate Reservoir with Low Level Switch, 1 qt
Reservoir N/A Polycarbonate
Capacity N/A 1 pint N/A 1 quart N/A 1 quart
Outlet N/A 1/8" Female NPT
Mounting N/A 5/8”-18 Remote Mounting Thread N/A 5/8”-18 Remote Mounting Thread N/A 5/8"-18 Remote Mounting Thread
Bracket N/A None N/A Polycarbonate N/A Polycarbonate