Astralpool Jupiter High performance 18 m ^ 3 / h sand filter, ideal for private pools, made of polyester laminated with white fiberglass. With 690 mm diameter and 2 "connections. Equipped with pressure gauge, drain valve and transparent screwed plug. Selector valve not included. It is recommended to use with a glassy filter bed for better filtration. Compliant with UNI-EN 16582 and EN 16713.