This is a 3-1/4″ dia. can reservoir with a 3/4″ od hose barb outlet, 1/8″ npt curtis drain valve on bottom of can, and a fire wall mounting bracket.
It keeps oil in can and off belly of airplane then can be drained later with petcock. Helps to keep crank case condensation to a minimum. Recommended for experimental aircraft use only not STC’d for certified aircraft.
