
Swimming Pool Top Mount Fiberglass Sand Filter. Durable Fiberglass Construction: Built with extra-thick fiberglass filament winding and polyester resin for toughness and longevity. UV-Resistant Surface: Designed to withstand direct sunshine exposure without degradation. Six-Position Multiport Valve: Enables easy selection of Filter, Backwash, Rinse, Waste, Recirculate, and Close operations. High Working Pressure Options: Standard 36psi; Optional 58psi for models WL-ADG800-1400. Wide Flow Capacity Range: Design flow ranges from 4.5 to 68 Cubic Meters/Hour across various models. Full Customization Available: Offers full, minor, and flexible customization from samples or designs. 100% Finished Product Inspection: Every unit undergoes functional and visual inspection before shipping. Global Export Experience: Exported to over 60 countries with 25 years of international trade history.