ENPAC 3'x3' Woven Storm Sentinel® Silt Bag (MPN: 4370-33)

Description

The ENPAC 3'x3' Woven Storm Sentinel® Silt Bag is a frameless catch basin insert designed to prevent harmful pollutants from entering storm drains. Its simple yet effective design provides robust protection while remaining cost-effective, making it ideal for stormwater management applications.

This silt bag is third-party tested, achieving 80%+ TSS removal per ASTM D7351, ensuring reliable filtration of sediment and pollutants. The product includes overflow bypass ports for high-flow storm events, preventing stormwater backup around drains.

Installation is simple using a grate hook and rebar, while removal when full requires rebar, straps, and lifting equipment. The bag is reusable until it no longer maintains adequate water flow and complies with all applicable stormwater regulations, including EPA, SPCC, and NPDES.

Key feature

• Third-Party Tested: 80%+ TSS Removal per ASTM D7351
• Easy Installation with grate hook & rebar
• Removal requires rebar, straps, and lifting equipment when full
• Reusable until product no longer maintains adequate water flow
• Overflow bypass ports for high-flow storm events
• No special tools required for installation
• Complies with Storm Water Pollution Prevention Plans
  

Specifications

• Material: Woven Geotextile
• Country of Origin: USA
• Dimensions (LxW): 3 ft. x 3 ft. (0.9 m x 0.9 m)
• Bag Depth: 24 in. (60.96 cm)
• Weight: 3.9 lbs. (1.8 kg)
• Flow Rate: 355 gal. (1,343 L) per min
• Regulations: 40 CFR 122.26, EPA, SPCC, NPDES
  

Documents

View Catalog Page:
Catalog Page 90

View Product Instructions:
4370 Storm Sentinel Instructions

View Product Instructions:
BMP Maintenance Log

View Regulations:
Codes and Regulations

Shipping & Warranty

Shipping Information

• Manufacture Lead Time: 1-2 Week Lead Time 
  
• Ships From (State): OH
  

Products are subject to freight or parcel shipping costs. Shipping charges are calculated at checkout based on delivery location, product size, weight, and carrier requirements.

Each tank is manufactured and assembled in the USA using high-quality materials and strict quality control standards—built for long-term, dependable use in demanding applications.

Warranty Information

Warranty coverage varies by manufacturer and product type. For warranty details or to initiate a warranty claim, please contact Tank Supply Direct at info@tanksupplydirect.com.

Price Match Guarantee

If you find the ENPAC 3'x3' Woven Storm Sentinel® Silt Bag (MPN: 4370-33) at a lower price from an authorized distributor within 6 months of purchase, we will match the price and refund the difference.

Contact: info@tanksupplydirect.com