Waterbury Companies, Inc Deodorizer Dispenser, For 3/4" Spud Pipes, Chrome TimeMist in-line cleaning systems clean and deodorize the entire urinal or commode with every flush. Not electric. Simple to use. Each uses innovative refill cartridges that contain enzymes, bacteria digesters and surfactants that remove scale and stains, softens water and unclogs pipes and drains. Installs in four easy steps. Features a chrome finish. Includes one 30-day refill. Installation kit for TimeMist in-line systems works for 3/4", 1-1/4" and 1-1/2" spud pipes. Contains one 3/8" drill bit, one in-line drill guide, three Allen wrenches, two sealing plugs and lubricant. Allows you to install your TimeMist in-line system in minutes without turning off the water. Drill will be needed. TimeMist in-line installation kit system is sold separately. Only one installation kit is necessary for multiple units.