GRAF Universal Filter 3 External

Designed to maintain a 100% water yield, the Universal 3 external filter is perfect for maximum collection on smaller roof areas. It was designed for use in the Home and Garden or if the overflow is connected to an infiltration plant instead of sewer. With a variable height, its installation depth can be anywhere from 22" - 41" making it a flexible solution for all. Can handle up to 3700 sqft with 4" connections and up to 5400 sqft by utilizing 6" connections. This product also features a lockable, child-proof cover that stays flush with the ground level.

• Filter insert mesh width 0.35 mm (0.01")
• Minimal height offset (270 mm / 10.6") between the inlet and outlet
• Also suitable for infiltration and pond systems