Thetford Duo Tank Cleaner Concentrated 0.8l cleaning for black and grey water

Extend the life of your toilet's waste-holding tank, black and grey water tanks with Duo Tank Cleaner Concentrated. This effective, periodical cleaner is an essential maintenance product that requires no scrubbing and is easy to use.

2-in-1 maintenance formula

Removes limescale, scale and grease residue from black and grey water tanks

Prolongs the life of tanks