... housing, indicating tube and fluid wells, molded ABS knobs and zero adjust plunger, shock mounted glass level vial and leak proof "O ... ducts, two mounting screws,3⁄4 ounce bottle of indicating fluid, red and green pointer flags and complete instructions.The C1 ... before mounting screws are tightened. Simply fill the reservoir, adjust fluid level to zero, connect the tubing, and the gage is ready ...