Graf Optimax Filter - Vehicle Loading

Graf Optimax Filter - Vehicle Loading

High efficiency, self-cleaning, below ground rainwater filtration system. This model ships with a cast iron lid for vehicle loading applications.

  • Over 95% yield
  • Self-cleaning filter
  • Max. 3,750 square feet with 4" connections
  • Max. 7,500 square feet with 6" connections
Our Price$939.95
List Price $1,128.00
SKU340031
Weight 100

Please contact us for current lead time.


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Product Description:

This model is the same as the standard Optimax except that it ships with a cast iron lid for applications where vehicle loading capability is required.

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.

  • 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
  • Optional Opticlean® Sprayhead
Optimax filter insert

Internal Seal Detail

How to Install Optimax Seal YouTube Video:




Product Documents:

Optimax Performance Test

View Optimax performance test results

Graf Optimax filter technical drawing View Technical Drawing of Graf Optimax® Filter

Opticlean sprayhead Optional Opticlean® filter sprayhead

Graf Optimax Download Installation Manual

Graf Optimax Filter Brochure Download Optimax Brochure


Installing a Graf Optimax Filter, Complete Instructional Video:



Complete Freight and Shipping Details:
When ordering this item or package, it is important to note the following about the freight delivery process; it is to be shipped via LTL (Less than Truckload) freight, with a call ahead, to schedule an appointment date and time that works best to accept the shipment. When the freight arrives at the nearest terminal to the delivery location, the freight carrier will call to schedule a delivery appointment for the next few business days, during normal business hours. Please be sure to include the best contact to setup and receive this delivery, as well as the phone number when ordering. Lift-gate service is available for an extra fee. Cannot ship outside of the contiguous United States without prior approval from RainHarvest Systems. 

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