Graf Basket Filter - Pedestrian

High efficiency, below ground filtration system.

• 100% water yield
• Max. 3,750 sq. ft. with 4" connections
• Max. 5,500 sq. ft. with 6" connections

Graf Minimax® Filter - Pedestrian

High efficiency, self-cleaning, below ground filtration system.

• Over 95% yield
• Self-cleaning filter
• Max. 3,750 sq. ft.
• Minimum height offset

Graf Optimax® Filter - Pedestrian

Our most popular in-ground filter. High efficiency, self-cleaning, below ground rainwater filtration system.

• Over 95% yield
• Self-cleaning filter
• Max. 3,750 sq. ft. with 4" connections
• Max. 7,500 sq. ft. with 6" connections

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 sq. ft. with 4" connections
• Max. 7,500 sq. ft. with 6" connections

Centrifugal Rainwater Filter - Small: 2200 sq. ft. roof area

Rainwater from the roof is evenly distributed across a stainless steel filter mesh where the natural process of surface tension directs the cleaned water to the storage tank. The small size centrifugal fine filter can filter up to 2,200 square feet of roof area for irrigation, toilet flushing, vehicle washing, fire protection and other non-potable water uses. The 20 inch extension tube is included.

The $695.95 price is a non-discountable final sales price.

Centrifugal Rainwater Filter - Medium: 5500 sq. ft. roof area

Rainwater from the roof is evenly distributed across a stainless steel filter mesh where the natural process of surface tension directs the cleaned water to the storage tank. The centrifugal rainwater filter can filter up to 5,500 square feet of roof area for irrigation, toilet flushing, vehicle washing, fire protection and other non-potable water uses. The 20 inch extension tube is included.

The $895.95 price is a non-discountable final sales price.

Graf Infiltration Filter Shaft

The Graf Infiltration Filter Shaft offers surface water pre-filtration and emergency stormwater overflow for swale ditch, retention and storage system applications.

Centrifugal Standpipe Downspout Filter Collector with Converter Kit

The Centrifugal Standpipe Downspout Filter Collector is installed vertically inline with a single downspout. The fine mesh filter insert removes debris and diverts over 90% of the rainwater to an underground storage tank. The filter operates as a first flush device by diverting a portion of the first rainwater until the process of surface tension reaches maximum performance.

Graf Universal Downspout Rainwater Filter

For installation at ground level for underground tank inflow. Good value alternative for garden irrigation, ponds, waterfalls or percolation systems.

Rain Harvesting Pty RainHarvesting Filter Pit™, 22”

Designed for both commercial and residential drainage applications, RainHarvesting’s heavy duty polypropylene stormwater pits are strong and durable.