Spray 420 uses a dry aerosol in order to deliver a superior odor eliminator that leaves no wet residue and is safe for all fabrics, even silk. The fresh clean linen scent is a perfect balance to help eliminate odors without over kill. While many other odor eliminating sprays fall to the ground when sprayed, smoke rises and lingers above your head. Spray 420 is formulated to rise with the smoke and eliminate the odor at the source.