Prevent contamination from stormwater runoff with ADSORB-it® Roof Downspout Filters. Using BIOCHAR Media, our systems are designed to remove total and dissolved metals (aluminum, zinc, copper), total suspended solids (TSS) and organic pollutants. Our filtration systems ensure compliance with environmental regulations while protecting waterways.
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Roof Downspout Filters
ADSORB-it® Downspout Filter Models
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ADF-50 (50-Gallon) – Compact & Efficient
- Hi-Flow ADSORB-it® Filtration Fabric
- Heavy-duty HDPE housing
- Holds 150 lbs. of stormwater BIOCHAR filter media
- TSS Removal: 99.4% | Captures sub-micron particles & organic matter
- Designed for 3”, 4”, & 6” round or square downspout pipes
- Flow Rate: 70+ GPM
- Overflow protection & in-ground discharge connection
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ADF-150 (150-Gallon) – Medium Capacity
- Large-capacity sediment & metal adsorption
- Holds 400 lbs. of stormwater BIOCHAR filter media
- TSS Removal: 99.4% | Removes zinc from galvanized roofs
- Flow Rate: 150+ GPM
- Fits standard 3”, 4”, & 6” downspout pipes
- Can integrate with an inlet reservoir tank for high-flow downspouts
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ADF-250 (250-Gallon) – High-Performance
- HDPE lightweight yet durable design
- Holds 800 lbs. of metal-adsorbing BIOCHAR filter media
- TSS Removal: 99.4% | Removes sub-micron particulates
- Flow Rate: 100+ GPM
- Overflow protection & in-ground discharge compatibility
- Supports 3”, 4”, & 6” round or square downspout pipes
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ADF-330 (330-Gallon) – Industrial Grade
- Designed for large-scale stormwater filtration
- Holds 1,200 lbs. of BIOCHAR filtration media
- Removes TSS, sediment, zinc, copper, & organic pollutants
- Flow Rate: 100+ GPM
- Overflow & sample collection port options
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ADF-1250 (1250-Gallon) – Maximum Capacity
- Ideal for industrial buildings & large commercial facilities
- Holds 3,500 lbs. of BIOCHAR filter media
- Multi-stage filtration: Adsorption, Filtration & Ion Exchange
- Flow Rate: 250+ GPM
- High-volume inlet reservoir tank option
- Custom outlet piping & sample collection ports available
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