Woot offers 3M Dust Control Spray, 06837, 1 gallon for $45.18 (orig. $93.12). Free shipping for Prime Members.

Product Description:
Eliminates the need to use water to wash down floors. 3M(TM) Dust Control Spray can improve the quality of your paint work by trapping airborn dust onto the floor and not on the vehicle. Use 3M(TM) Dust Control Applicator, part number 06835. 

• Sale Unit: GALLON
• Holds paint and dust particles down onto the floor and makes sweeping up with a broom easy
• Water-based formula designed to attract and trap dust and dirt commonly found on paint booth and body shop floors