The 4" Aluminum Fill Adapter from Sealfast is a high-quality component designed for efficient fluid transfer. Constructed from lightweight yet durable aluminum, this adapter ensures a secure connection for various applications. Its 4" size is compatible with standard fittings, making it versatile for use in industrial and commercial settings. The adapter is engineered to meet industry standards, providing reliability and safety during operation. Ideal for fuel, oil, and other liquid transfers, this fill adapter is a must-have for any professional setup.