AdUltra-High Performance Additive Designed to Help Restore Power for Diesel Engines. Help Maximize Fuel Economy, Restore Engine Power, and Lower Harmful Emissions. Buy Now.

AdKills Bacteria & Fungus in Diesel Fuel & Water. Prevents Fuel-Filter Plugging. Dual-Phase Biocide Kills the Bugs Where They Live - in the Diesel Fuel & Water.