Free Flow Citrus Odor Blanket blocks sewer gas and drain odor

As a drain maintainer, our Free Flow odor blanket is an organic and environmentally safe liquid that blocks sewer gas odors from coming up through floor drains. Keep your drain traps odor free when you use this effective product that floats on top of the water in the drain trap, essentially blocking water from evaporating. It liquefies grease and leaves the area with a fresh, citrus scent.Each case contains 12 20oz. cans.