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
- Complies with regulations when used in Storm Water Pollution Prevention Plans
| Part Number | Dimensions LxW in. (cm.) |
Weight lb. (kg.) |
Flow Rate gal (L.)/min. |
| Standard (Sediment, Trash & Debris) | |||
| 4370-22 | 24x24 (61x61) | 3.2 (1.5) | 189 (715) |
| 4370-23 | 24x36 (61x91) | 3.6 (1.6) | 251 (950) |
| 4370-24 | 24x48 (61x122) | 3.8 (1.7) | 309 (1,169) |
| 4370-33 | 36x36 (91x91) | 3.9 (1.8) | 355 (1,343) |
