Sweet Air Vent Stack Filter Stops Offensive Odors From Vent Stack Pipes, Sewer And Septic Tank Vent Stacks, Material of Construction ABS Plastic, Color/Finish Black, Pipe Dia. (In. ) 3 or 4, Height (In. ) 8-3/8, Length (In. ) 6-3/4, Includes 8 Oz...