Imagen Automatic Pressure/Vacuum Relief Cap for Fuel Tank Markets Tanques de carga de petróleo Jump to Section Product Options Related Products Product Options Part Number Size Male Thread Material 200-PV-9 2" NPT Aluminum 2000L 2" NPT Zinc 2500L 2-1/2" NPT Zinc Related Products Imagen Standard Vent Cap for Stationary Fuel Tank Imagen Vacuum Relief Valve Female Outlet Imagen Vacuum Relief Valve