Stormwater Filters For Catch Basins

Oil & Debris Blockers for Capturing Pollutants

storm water filtersOil and Debris Blockers are an easy way to keep debris, oil and other pollutants from leaving the drain. Constructed from a high resistance polyethylene, these filters are naturally resistant to rust, corrosion and various pollutants. Strong in design and in use, these filters are the perfect way to contain pollutants and help ensure cleaner water from your outflow. See more Drain Guard BMPs.

Blocker Features

  • Material: High Resistance Polyethylene
  • Diameter: 8", 10", or 12"
  • Low Profile Design

If you have questions, please don't hesitate to call us at +1-772-646-0597 or request a price quote.

Oil & Debris Blocker Specifications

Size of Opening Dimensions Weight
8" (204 mm) Center Opening 4 1/2" x 12" x 14"
(115 mm x 305 mm x 356 mm)
4 lbs.
(2 kg)
10" (254 mm) Right Opening 5 1/2" x 14" x 16"
(140 mm x 356 mm x 407 mm)
6 lbs.
(3 kg)
10" (254 mm) Center Opening 5 1/2" x 14" x 16"
(140 mm x 356 mm x 407 mm)
6 lbs.
(3 kg)
10" (254 mm) Left Opening 5 1/2" x 14" x 16"
(140 mm x 356 mm x 407 mm)
6 lbs.
(3 kg)
12" (305 mm) Center Opening 6 1/2" x 16 3/8" x 18"
(166 mm x 416 mm x 458 mm)
7 lbs.
(3 kg)
10" (254 mm) Adapter 9 1/2" x 10" x 12"
(242 mm x 254 mm x 305 mm)
2 lbs.
(1 kg)
12" (305 mm) Adapter 11" x 12" x 12"
(280 mm x 305 mm x 305 mm)
3 lbs.
(1.5 kg)
*Adapter is required for any 10" and 12" Oil & Debris Blocker installation. 8" unit is one piece.

How the Blocker Works

oil and debris blockerThe Oil and Debris Stormwater Filters attach directly to the outflow pipe. All parts of the blocker are completely solid and impermeable. A single opening exists at the the bottom of the filter for cleaner water to flow out of the catch basin.


  • Blocks Floating Debris on the Surface
  • Increases Settling Times for Sediment, Dirt, Solids, and Hydrocarbons
  • Allows Items to Naturally Filter to the Bottom of the Catch Basin
  • Equipped for Long Term Water Use
  • Naturally Resistant to Rust, Corrosion, and Hydrocarbons

How Does This Product Keep You in Compliance?

  • Keeps Trash and Oil in Catch Basins
  • Removes Contaminants from a Water Flow
  • Helps Comply with NPDES, 40 CFR 122.26 (1999), and TMDL Requirements

Additional Stormwater Filters

Additional stormwater products include options for filtration inside catch basins, along curbside drains, and in many additional locations. For more information regarding all of our options, check out our Stormwater Filters & Guards.

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Questions? We can help! Call the GEI Works team at 1-772-646-0597 or fill out our quote request form to discuss your requirements.