ENPAC Rectangular, Cone Style Storm Sentinel® Catch Basin Insert, Adjustable, With Oil-Absorbing Packet, 16"x20" to 28"x36" (MPN: 4341-IB)

Description

The ENPAC Rectangular, Cone Style Storm Sentinel® Catch Basin Insert, Adjustable, With Oil-Absorbing Packet, 16"x20" to 28"x36" (MPN: 4341-IB) is designed to prevent harmful pollutants from entering storm drains. This framed model includes an adjustable steel wire frame for simple installation and removal, allowing one-person setup without special tools.

Its low-profile design sits neatly below the grate, preventing obstruction to foot or vehicle traffic. The geotextile fabric captures contaminated sediment, while standard versions include oil-absorbing packets for enhanced pollutant control. Fully reusable until it no longer maintains adequate water flow, this insert complies with environmental regulations when used in Storm Water Pollution Prevention Plans (SWPPP).

Covered under U.S. Patent No. 10,384,155, it offers a versatile solution for rectangular drains of varying sizes.

Key feature

• Oil-absorbing packet for hydrocarbon capture
• Adjustable steel wire frame for variable drain sizes
• Cone-style design increases debris capacity
• Low-profile, sits beneath grate unobtrusively
• Tool-free, one-person installation and removal
• Geotextile fabric prevents sediment from entering the drain
• Reusable until water flow is reduced
• Complies with EPA, SPCC, NPDES regulations
• U.S. Patent No. 10,384,155
  

Specifications

• Material: 8 oz. Non-Woven Geotextile
• Country of Origin: USA
• Minimum Dimensions (LxW): 16 in. x 20 in. (40 cm x 50 cm)
• Maximum Dimensions (LxW): 28 in. x 36 in. (71 cm x 91 cm)
• Cone Depth: 18 in. (45 cm)
• Weight: 2 lbs. (0.9 kg)
• Load Capacity: 40 lbs. (18 kg)
• Flow Rate: 90 gal. (340.69 L) per min. per sqft.
• Absorb Capacity: 0.23 gal. (0.87 L)
• Regulatory Compliance: 40 CFR 122.26, EPA, SPCC, NPDES
  

Documents

View Catalog Page:
Catalog Page 86, 87 - 4341, 4343

View Product Instructions:
4341, 4343 Storm Sentinel Instructions

View Product Instructions:
BMP Maintenance Log

View SDS:
Oil Only Absorbing Packet SDS

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 Rectangular, Cone Style Storm Sentinel® Catch Basin Insert, Adjustable, With Oil-Absorbing Packet, 16"x20" to 28"x36" (MPN: 4341-IB) 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