Aluminum Under Bed Cover Auxiliary Tanks.

Aluminum Tank & Tank Accessories, Inc.

Transfer Flow Low Profile Under Tonneau Auxiliary Fuel Tank — Tank

How to Install a Diesel Auxiliary Tank, In bed Fuel Tank Add on

Any transfer tanks that will fit under a bed cover? - TractorByNet

Transfer Flow Low Profile Under Tonneau Auxiliary Fuel Tank — Tank

Transfer Flow In-Bed Auxiliary Fuel Tank System — Tank Retailer

Aluminum Tank & Tank Accessories, Inc.

Transfer tank - under the bed cover., Ford Tremor Forum

Building and Installing an Auxiliary Fuel Tank - Fabrication Tips