Eliminate embarrassing odors from drains and prevent clogged sinks. Save money on plumbers and drain snakes as powerful enzymes break down oil and grease to keep drains free and clear. Keep your drains clean and odor-free, all year long with Sani-Clean as part of your cleaning supplies. Avoid embarrassing smells and nasty water buildup in sinks and showers with just one Sani-Clean per month Sani-Clean drain deodorizer and cleaners are thin, round and only 6.3 inches long and 100 percent safe for plumbing and septic tanks with no toxic chemicals.