Camco 41355 TST Drop-Ins, 15 pack, Citrus

Help control unwanted odors and break down waste and tissue in your boat's holding tank. The Drop-INs are marine approved and 100% biodegradable. They do not contain formaldehyde and are safe for all septic tanks. One treats up to a 40-gallon tank. Includes (15) citrus-scented Drop-INs.