Pressure/Vacuum Breather 3/8-18 2.16 H

Pressure/Vacuum Breather Thread Size 3/8-18 Dia Hex Flats (In.) 1 1/4 in Height 2.16 Top Cap Dia (In.) 1 3/8 in Overall Length (In.) 2 5/32 in PSI 3-6 Filter 20 Micron Bronze Keeps Dirt from Entering Vacuum (In. Hg) 2-3 Steel Body Aluminum Top Buna N Seal Allow Sealed Pressure Systems to Vent Off Excess Pressure as Heat in System Builds up Air Pressure is Allowed Back into System as System Cools