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 installation and removal.
- Adjustable frame
- 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
- 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
- US Patent No. 10,384,155
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Standard (Sediment, Trash, Debris) versions feature overflow bypass ports for high-flow storm events, |
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| Part Number | Min. Dia. in. (cm.) |
Max. Dia. in. (cm.) |
Absorption Cap. gal. (L.) |
| 4340 | 25 (63.5) | 28 (71) | N/A |
| 4340-22 | 22 (56) | 24 (61) | N/A |
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No Overflow (-NO) (Sediment, Trash, Debris) versions do not have an overflow bypass port |
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| Part Number | Min. Dia. in. (cm.) |
Max. Dia. in. (cm.) |
Absorption Cap. gal. (L.) |
| 4340-NO | 25 (63.5) | 28 (71) | N/A |
| 4340-22-NO | 22 (56) | 24 (61) | N/A |
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Oil Absorbing (-IB) (Oils, Sediment, Trash, Debris) versions have an overflow bypass |
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| Part Number | Min. Dia. in. (cm.) |
Max. Dia. in. (cm.) |
Absorption Cap. gal. (L.) |
| 4340-IB | 25 (63.5) | 28 (71) | 0.23 (0.87) |
| 4340-22-IB | 22 (56) | 24 (61) | 0.23 (0.87) |
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer or reproductive harm. For more information, please email support@ensafeco.com or go to www.P65Warnings.ca.gov.
