MDR Headzyme Tabs™ - 6 Tabs

The latest in toilet treatment combines billions of active microorganisms to break down waste; includes a pine deodorizer. Biodegradable, non-toxic, easy to use. For portable toilets and holding tanks. No more spilling or measuring head chemicals – one tablet is good until head is pumped or drained. Environmentally safe.

CONTAINS NO FORMALDEHYDE