4370 Silt Bag Storm Sentinel® Woven, Black - Multiple Sizes Available

In stock
SKU: 4370

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.

  • Third Party Tested - 80%+ TSS Removal per ASTM D7351
  • Easy installation with grate hook & rebar
  • Removal (when full) requires rebar/straps and lifting equipment
  • Reusable until product no longer maintains adequate water flow
  • Features overflow bypass ports for high-flow storm events, preventing storm water backup around drains
  • 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)
Flow Rate
Regular (Sediment, Trash & Debris)
4370-22 24x24 (61x61) 189
4370-23 24x36 (61x91) 251
4370-24 24x48 (61x122) 309
4370-33 36x36 (91x91) 355