D-F-B Xtra 1 Gallon [Adco]DFB Xtra Combination Charge or Injection Detergent with Sizing and Brighteners Combination product Easy to use Provides quality cleaning Contains optical brighteners Easy finishing Directions for Use Injection Systems First Initially condition system with 1 2 gallons of DFB Xtra for each 100 gallons of solvent in work tank and filter, plus gallon for each adsorption cartridge (if any). Then inject 2 4 ounces of DFB Xtra per 10 pound load at start of