Gizmo Engineering Vent Cap Female Thread VC-F-4″. All plastic MUSHROOM STYLE vent cap. Corrosion proof. Keeps out debris, rain, small airborne seeds and critters while allowing tanks to properly vent. 2 Year Limited Warranty. Gizmo Engineering Female Vent Cap is a high-performance, mushroom-style protective solution designed for the safe and efficient ventilation of tanks, enclosures, and various industrial systems. Engineered to provide rugged protection without sacrificing airflow. Crafted entirely from corrosion-proof materials, the vent cap features a durable Schedule 40 PVC body and cap. Its distinct mushroom shape is specifically designed to deflect driving rain while still allowing gases to escape or air to enter freely. The all‑plastic construction is corrosion‑proof and suitable for contact with potable water, meeting FDA and EPA‑aligned standards for screened venting.
