Frameless, Cone Style Storm Sentinel® Catch Basin Insert, Black

SKU: 4320, 4326

Storm Sentinel® Catch Basin Inserts are the ideal products for preventing harmful pollutants from washing into storm drains. This frameless model is simple in design, powerful in protection, and the most affordable catch basin insert on the market. Frameless – cut the fabric to siz… read more

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Storm Sentinel® Catch Basin Inserts are the ideal products for preventing harmful pollutants from washing into storm drains. This frameless model is simple in design, powerful in protection, and the most affordable catch basin insert on the market.

  • Frameless – cut the fabric to size
  • One-person installation and removal
  • Sits below the grate to be low-profile and unobtrusive
  • Geotextile fabric prevents contaminated sediment from washing into the drain
  • Standard versions feature overflow bypass ports for high-flow storm events, preventing storm water backup around drains
  • Reusable until product no longer maintains adequate water flow
  • No special tools required for installation
  • Complies with regulations when used in Storm Water Pollution Prevention Plans
  • Multiple sizes, models, and custom sizes available
Part Number Dims
in. (cm)
Absorption Cap.
gal. (L)
Regular (Sediment, Trash & Debris)
4320 36x48 (91x122) N/A
4326 60x60 (152x152) N/A
No Overflow (Sediment, Trash & Debris)
4320-NO 36x48 (91x122) N/A
4326-NO 60x60 (152x152) N/A
Oil Absorbing (Oils, Sediment, Trash & Debris)
4320-IB 36x48 (91x122) 0.23 (0.87)
4326-IB 60x60 (152x152) 0.23 (0.87)
Cone Depth:
18 in. (45 cm)
Flow Rate:
40 lbs. (18 kg)
Load Capacity:
90 gal. (340.69 L) per min. per sqft.
Material:
8 oz. Polypropylene, Non-Woven Geotextile
Regulations:
40 CFR 122.26, EPA, SPCC, NPDES
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