Otto Graf GmbH
Plastic Products
Tel. +49 7641 589-0
Fax +49 7641 589-50
Carl-Zeiss-Straße 2-6
DE-79331 Teningen, Germany

Optimax-Filter® external suitable for pedestrian loading

Optimal cleaning performance with maximum water yield!

Dimension drawing

  • 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")
  • Optional with cleaning unit external

pedestrian loading

order no.Length (mm)Ø max. (mm)Height (mm)Weight (kg)add to enquiry


Cleaning unit external


Enquiry (0)

We use cookies for the purpose of enhancing the contents and for your convenience in using the Web Site. By entering this site, you acknowledge and agree that we are using cookies. For more information on this, please refer to the data protection notice section.

Do not show this message again