Thicker walls, deeper sand beds and more robust fittings increase weight and cost, but they also increase strength and durability. Virtually maintenance free. Simple backwash to clean filter media. Large capacity up to 80,000L pool and 6-way multi-port valve for easy backwash and filter control at the flick of a handle. Constructed from UV resistant fiberglass & corrosion protected, long life protection & reliability. We provide a stainless steel pressure gauge, very useful when backwashing. 270 LPM water high flow design for maximum efficiency, suitable for sand, Zelbrite and silica media. Suitable for both salt and fresh water pool . This product is simple to install, pre-assembled system ready to connect to your new or existing system. This product will give you many years of trouble free service, premium quality product with 15 year tank warranty with 1 year valve warranty. Keep your outdoor swimming pool clean and save money with this high-flow, strong and high efficiency sand filter today!