Duo tank cleaner concentrate. THETFORD

For freshness and long-lasting hygiene of your 2 tanks! One 800 ml bottle allows you to either 4 cassette cleaners (4 x 200 ml) or 1 cassette cleaning (200 ml) + 1 cleaning of the grey water tank (600 ml). It is used in addition to Grey Water Fresh concentrate ref. 500577 Use 2 to 3 times a year for optimal results.