Top Mount Laminated Fibreglass Sand Filters are ideal for water filtration of spa in private or semi-commercial swimming pools, aquarium and water amusement park. These Sand Filters are designed with UV-resistant surface that allows the filter to work under direct sunlight. These Sand Filters are equipped with multiport valve, which lets the user select any of the valve or filter operation with a simple lever-action. Top Mount Laminated Fibreglass Sand Filters can work in a maximum pressure range of 300 KPA and burst pressure is up to 600 KPA.