This is for a case of Decon 

SB3 Decon Fallout Remover is the premier in acid free, pH balanced fallout remover, boasting a surface safe, color-changing formula and utilizing advanced acid free technology. Its ease of use makes it the best choice for rail fallout, construction debris, break dust and iron particles.

SB3 Decon quickly and effectively removes ferrous metal contaminates lodged in your vehicles surfaces. When left untreated these particles will begin to promote rust and corrosion, accelerating the aging process of your vehicles surfaces.

• Color changing formula
• Safe and effective on wheels, paint, and most automotive surfaces
• Professional quality and strength 
• Low Odor Formula for more pleasant usability 
• Acid free, pH balanced Fallout Remover 

• Wash vehicle to remove any built up dirt and debris that might inhibit Decon from making direct contact with surface area.
• Spray liberally on all contaminated surfaces and let dwell.
• You will see the color changing formula start to take affect almost immediately with purple reaction to any embedded deposits.
• Agitate if necessary and rinse. Repeat as needed.