X3 Inline Water Filter Dechlorinator Leisure Caravan Boat Camper TREATS 18000 L
EACH FILTER WILL TREAT UP TO 6000 LITRES GIVING A WHOPPING 18000 LITRES. (COULD POSSIBLY FIT MORE THAN ONE INLINE TO MAXIMISE EFFECT). SO IF YOU USE A 40L AQUA ROLL WOULD TREAT 450 OF THESE. HAS BUILT IN KDF FILTER.