Graf Optimax Pro® Internal Filter Package

Graf Optimax Pro® Internal Filter Package

Internal self-cleaning cascade filter for underground cisterns and above-ground water tanks. Suitable for roof areas up to 3,750 sq. ft. Only one tank lid in the yard.

Currently in stock

Package includes:

  1. Optimax Pro® Internal Cascade Filter
  2. Inflow pipe with Calming Inlet
  3. Overflow siphon with rodent guard
  4. Spannfix pipe connection sleeve

This filter requires a manway diameter of at least 24" for inlet and outlet clearance. The filter overflow needs to directly connect to the overflow siphon.

Additional Included components:

Calming Inlet Overflow Siphon Spannfix Pipe Connection Sleeve

Optimum cleaning performance with maximum water yield

  • Filter specially developed for rain water harvesting
  • Patented filter technology
  • Low maintenance; self cleaning
  • TÜV safety-tested
  • Space saving filter technology integrated in the tank
  • Can be installed on top of above-ground tanks
  • Filter housing can be removed without tools to inspect tank
  • Transparent cover for easy maintenance
  • 4” PVC connections
  • Can be fitted with Opticlean cleaning unit
  • Only 6.5” height offset between inlet and outlet
  • Optimum cleaning performance with maximum water yield
  • Provides over 95 % water yield

 

 

Optional Opticlean Sprayhead Function

 

Opticlean sprayhead Optional Opticlean® filter sprayhead

Graf Optimax Liftout Handle Optional Liftout Handle Extension

 

Download Installation Manual

 

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