Graf Optimax Filter External offers cleaning performance with maximum water yield.
* External filter to clean the rainwater before the tank
* Available for pedestrian loading and for vehicle loading
* Provides over 95 % water yield
* Low maintenance as it is self cleaning
* Continuously variable installation depth of 580 – 1,050 mm (22.8 – 41.3″) using the telescopic dome shaft
* Minimal height offset (200 mm) between the inlet and outlet
* Maximum roof surface area of 350 m² with connections DN 100 and 750 m² with DN 150.
*Very smooth surface and therefore max. self-cleaning, mesh wide 0.35 mm (0.01″)
This product unless delivered with a larger order is delivered by a parcel carrier. Most items are normally in stock and shipped out on a next day service providing the order is received by midday.