Features: Non Corrosive High Flow Abs Internal Component. Auto Internal Air Relief System. 2 Bag Unit Uses 80 Kg Filter Sand. Ideal For Pools Up To 55 000 Litres And The 3 Bag Uses 120 Kg Filter Sand. Ideal For Pools Of Up To 85 000 Litres And The 4 Bag Unit 160 Kg For A 150 000 Litre Pool.
