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The UltraTech 8931 Drain Guard Adjustable Frame Model is a catch basin insert designed to capture sediment, debris, oil, and hydrocarbons from stormwater runoff before contaminants enter drainage systems. Its adjustable metal frame expands to fit drain openings ranging from 16" x 20" to 26" x 32", allowing one model to accommodate multiple 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 Frame Design – Expandable metal frame adjusts from 16" x 20" up to 26" x 32" to fit a variety of catch basin openings without cutting or custom sizing
- Oil and Sediment Capture – Filters sediment, dirt, sand, debris, oil, and hydrocarbons from stormwater runoff before entering drainage infrastructure
- Integrated Overflow Protection – Built-in overflow ports help maintain drainage capacity during heavy rainfall and reduce the potential for ponding or flooding
- Durable Geotextile Construction – Manufactured from nonwoven polypropylene geotextile fabric engineered for stormwater filtration and sediment control applications
- 10-Pack Configuration – Provides coverage for multiple catch basins across industrial facilities, municipalities, and construction sites
Product Specifications:
| Model Number | 8931 |
| Product Type | Ultra-Drain Guard® Adjustable Frame Model |
| Drain Opening Range | 16" x 20" to 26" x 32" (406 x 508 mm to 660 x 813 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 Metal Frame |
| Overflow Protection | Integrated Overflow Ports |
| Installation Method | Under Grate |
| Sediment Removal Efficiency | Greater Than 80% |
| Weight | 20 lbs. (9.1 kg) – Pack of 10 |
| Color | Black |
| Package Quantity | 10-Pack |
| Compliance | NPDES 40 CFR 122.26, SPCC, TMDL |
| UPC | 808416089318 |
| Country of Origin | Guatemala |
| Brand | UltraTech International |