3" Fill Cap for Fuel Tank
An aluminum fuel tank filling cap designed to securely seal the tank’s fill point on a 3-inch pipe, preventing fuel leakage and protecting the contents from dirt, moisture, and other contaminants. The lightweight yet durable aluminum construction offers excellent corrosion resistance and long-term reliability, while the precision fit ensures a tight, dependable seal.

Material: Made of aluminum. 
Function: Prevents fuel loss due to evaporation and keeps foreign materials out of the tank. 
Usage: Commonly used for underground storage tanks (USTs) at petrol pumps or on vehicles. 
Design: Features an attachment point for a security lock or chain.