![Cim-Tek Pre-Vent Cap](http://store.mwpetroleum.com/cdn/shop/products/60001_{width}x.jpg?v=1585260457)
Cast-iron base with Pre-Vent cap. The Pre-Vent is a fill cap with a pressure and vacuum release that reduces evaporation in fuel storage tanks and helps maintain the quality of stored fuel.Â
Cast-iron base with Pre-Vent cap. The Pre-Vent is a fill cap with a pressure and vacuum release that reduces evaporation in fuel storage tanks and helps maintain the quality of stored fuel.Â