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The UltraTech 8935 Drain Guard Economy Frame Model is an adjustable catch basin insert designed to capture sediment, debris, oil, and hydrocarbons from stormwater runoff before contaminants enter drainage systems. Its expandable metal frame adjusts to fit drain openings ranging from 16" x 20" to 28" x 36", allowing a single unit to accommodate a variety of catch basin sizes. Constructed from nonwoven polypropylene geotextile fabric with integrated overflow protection, it provides effective pollutant filtration while maintaining drainage flow during storm events.
- Adjustable Economy Frame Design – Expandable metal frame adjusts from 16" x 20" up to 28" x 36" to fit a variety of catch basin openings without cutting or custom fitting
- Oil and Sediment Capture – Filters sediment, dirt, sand, debris, oil, and hydrocarbons from stormwater runoff before entering drainage systems
- Integrated Overflow Protection – Built-in overflow ports help maintain drainage capacity during heavy rainfall and reduce the potential for ponding or flooding
- Nonwoven Geotextile Construction – Manufactured from durable polypropylene geotextile fabric designed for stormwater filtration and sediment control applications
- Simple Installation – Adjustable frame design allows quick installation beneath existing storm drain grates without permanent modifications
Product Specifications:
| Model Number | 8935 |
| Product Type | Ultra-Drain Guard® Economy Frame Model |
| Drain Opening Range | 16" x 20" to 28" x 36" (406 x 508 mm to 711 x 914 mm) |
| Overall Depth | 18" (457 mm) |
| Oil Capture Capacity | Up to 0.87 Gallons (3.3 L) |
| Sediment Capacity | Up to 40 lbs. (18 kg) |
| Flow Rate | 650 GPM |
| Filter Material | Nonwoven Polypropylene Geotextile with Adjustable Metal Frame |
| Contaminants Captured | Oil, Hydrocarbons, Dirt, Sand, Sediment, Trash, and Debris |
| Frame Type | Adjustable Economy Metal Frame |
| Overflow Protection | Integrated Overflow Ports |
| Installation Method | Under Grate |
| Sediment Removal Efficiency | Greater Than 80% |
| Weight | 2 lbs. (0.9 kg) |
| Color | Black |
| Package Quantity | 1-Pack |
| Compliance | NPDES 40 CFR 122.26, SPCC, TMDL |
| UPC | 808416089356 |
| Country of Origin | Guatemala |
| Brand | UltraTech International |