Aqua Rinse Plus by Thetford is the original pink toilet flush-water tank additive. The highly effective formula lubricates seals, assists flush and leaves toilet smelling fresh. Features It leaves a micro-thin protective film in the toilet bowl and has lubricating qualities to assist opening and closing of the blade. Has a pleasant lavender scent Bottle has a child proof lid Bottle has volume markings on side Specifications Model: T30365ZK Cequent Bottle volume: 2 litre Recommended dose: 100ml per 15 litre flush tank Doses per bottle: 20 Shipping Weight: 2.20 Kgs. Shipping Dimensions: 33 cm x 11 cm x 11 cm.