Storm Sentinel Catch Basin Insert - Adjustable Steel Frame - Cone

SKU: 4341

Storm Sentinel Catch Basin Inserts are the ideal products for preventing harmful pollutants from washing into storm drains. This framed model comes complete with an adjustable steel wire frame for simple, one-person installation and removal. It also sits below the grate, making it low-profile a… 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 framed model comes complete with an adjustable steel wire frame for simple, one-person installation and removal. It also sits below the grate, making it low-profile and unobtrusive. The geotextile fabric prevents contaminated sediment from washing into the drain, protecting you from fines and fees.

  • Cone Depth = 18" (45 cm)
  • Flow Rate = 90 gallons per minute per square foot
  • Load Capacity = 125 lbs (56.7 kg)
  • Material = 8 oz. Polypropylene, Non-Woven Geotextile
  • Multiple sizes, models, and options available
  • No special tools required for installation
  • U.S. Patent # 10,384,155
Part Number Min Dimensions
in. (cm)
Max Dimensions
in. (cm)
Absorption Cap
gal. (L)
Regular (Sediment, Trash, Debris)
4341 16x20 (41x51) 28x36 (71x97) N/A
4343 25x25 (64x64) 42x42 (107x107) N/A
No Overflow (Sediment, Trash, Debris)
4341-NO 16x20 (41x51) 28x36 (71x97) N/A
4343-NO 25x25 (64x64) 42x42 (107x107) N/A
 Oil Absorbing (Oils, Sediment, Trash, Debris)
4341-IB 16x20 (41x51) 28x36 (71x97) 0.23 (0.87)
4343-IB 25x25 (64x64) 42x42 (107x107) 0.23 (0.87)
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