Use
Normally closed vent, stops fuel evaporation and airborne contaminants
Protects tank from pressure or vacuum build-up. Relieves vacuum at .33 Hg and pressure between 7.5-9 PSI
Can be used as a fuel filler cap
Normally closed vent stops fuel evaporation and airborne contaminants
Protects tank from pressure or vacuum build-up. Relieve pressure at 2 PSI and vacuum at 0.7 HG at a rate of 20 SCFM
