Frienda 2 Pcs 2 Inch Flip Top Vented Fuel Tank Cap, Locking 2" Npt Diesel Transfer Tank Cap, Heavy Duty Cast Iron Replacement Fuel for Auxiliary Tanks, Rv, Truck, Can, Generator

Features: Operational safety: When this diesel fuel cap is unscrewed, the venting pressure tank cap vent pressure inside the tank to outside and release vapor build up to prevent over-expansion of the fuel tank. And allow air into the diesel transfer tank to prevent vacuum forming and collapse the tank when you draw out fuel. Comprehensive application versatility: This flip top vented locking fill cap works well for ground, farm, commercial and distillate tanks, suitable for a replacement cap for trucks, tractors, agricultural equipment, construction machinery, fuel tanks, and other industrial or mobile fuel systems. Specifications: Material: metal Color: black Size: about 4.5 x 2.8 x 1.8 inches/ 11.5 x 7 x 4.5 cm Package includes: 2 x Flip-top locking vented fuel caps Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays

• Suitable for 2" Npt Fit: designed for standard 2 inch NPT threaded openings, this flip top fuel tank cap fits most diesel transfer tanks, auxiliary fuel tanks, fuel cans, RV fuel tanks, truck tanks, generators and other compatible containers; A good replacement for worn or damaged fuel caps
• Heavy-duty Cast Iron Construction: made from quality cast iron with a durable powder coated finish, this vented fuel cap is built to withstand harsh outdoor conditions; It resists rust, corrosion and impact, providing long-lasting performance for farm, commercial and industrial applications
• Built-in Vent for Safe Pressure Balance: integrated venting system helps equalize internal tank pressure during fuel expansion and consumption; It reduces vacuum buildup, supports smoother fuel flow and helps protect your transfer tank during daily operation
• Lockable Flip-top Design: the secure flip-top lid provides quick one-handed access while helping keep dust, debris and moisture out; Add a small padlock (not included) for extra security against theft, tampering and unauthorized access
• Wide Application 2-pack Value Set, Replace Two Tanks or Keep One As a Spare: includes two fuel caps, install one today and keep one as a spare, or replace caps on multiple fuel tanks at the same time; Suitable for fleet vehicles, farm equipment, RVs and work trucks