Graf Rainwater Optimax-Filter External - Pedestrian Suitable

Optimax-Filter® external suitable for pedestrian loading

Optimal output (>95%) is achieved thanks to a filter principle

The Optimax is the most popular filter in the Graf filter lineup.  An excellent filter for both residential and small to medium sized commercial rainwater harvesting installations. The Optimax® filter provides a highly efficient, low maintenance, self-cleaning solution.

• Over 95% yield
• Self-cleaning filter
• Max. 3,750 sq. ft. with 4" connections
• Max. 7,500 sq. ft. with 6" connections
• Variable installation depth from 22-41 inches
• Flush installation at ground level
• Only 7" height offset between inlet and outlet
• 0.35mm (.01") mesh filter
• Lockable childproof cover
• Telescopic riser (included), with natural looking lid, reduces cost, simplifies installation and produces professional looking results

Instructions