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★★★★★5 star reviews

Product Overview

The 16" Dia. Pipe Sock for Oil & Sediment is a specialized oil and sediment filter sock designed to fit inside storm drain pipes, culverts, and outfall pipes. This passive filtration device captures oil sheen, sediment, and debris from stormwater runoff before it enters waterways. Simply insert the pipe sock into the drain pipe opening. The absorbent filler captures oil and sediment while allowing water to flow through. Easy to install and replace -- no tools or heavy equipment required. Essential for NPDES stormwater compliance and SWPPP programs. Backed by AbsorbentsOnline -- trusted since 1985. Ships FREE to the Continental US.

Technical Specifications

AbsorbentsOnline SKU A9707-OSU
Product Type Pipe Sock for Oil & Sediment
Pipe Diameter 16 in.
Function Passive oil & sediment filtration for storm drain pipes
Weight N/A lbs
Compliance NPDES Stormwater, SWPPP
Shipping FREE to the Continental US

Expert Insights

Pipe socks are a simple but highly effective passive filtration solution for stormwater compliance. Inserted into drain pipe openings, they capture oil sheen and sediment from stormwater runoff before it enters receiving waterways. Unlike active treatment systems that require monitoring and maintenance, pipe socks work 24/7 with zero energy input. Simply inspect periodically and replace when saturated. They are essential components of NPDES stormwater permits and SWPPP (Stormwater Pollution Prevention Plans). Pro Tip: Stock replacement pipe socks so you can swap them immediately during inspections or after heavy rain events.

16" Dia. Pipe Sock for Oil & Sediment | Stormwater Pipe Outfall Filter

Why Pipe Socks Are Essential

Regulatory inspectors commonly monitor stormwater at discharge outfall points — if oil sheen or excessive sediment is detected at your pipe outfall, it can trigger an enforcement action regardless of upstream controls. Pipe Socks provide end-of-pipe treatment that captures hydrocarbons and sediment before stormwater exits your facility boundary. A proven BMP that satisfies SWPPP and NPDES permit requirements.

Who Buys Pipe Socks

Stormwater program managers, environmental compliance officers, facility engineers, construction site environmental monitors, municipal public works departments, and industrial maintenance teams. Used at manufacturing plants, construction sites, military installations, airports, and any facility with pipe-based stormwater discharge systems.

Purchased by stormwater coordinators, environmental compliance managers, facility engineers, and construction environmental monitors. All products backed by AbsorbentsOnline’s 40+ years of industrial safety expertise.

Frequently Asked Questions

What pipe sizes does this fit?

Available in 8 in., 12 in., and 16 in. diameter sizes to fit standard storm drain pipes.

How often should pipe socks be replaced?

Inspect periodically and replace when visually saturated with oil or sediment. Replace more frequently during heavy rain seasons.

Does this ship free?

Yes. FREE shipping to the Continental US. 3-7 business days.

What Our Customers Say

Real reviews from the facilities, field crews, and agencies that count on us.

  • We put pipe socks on every outfall at our facility after an inspector flagged oil sheen at our discharge point. Problem solved — next inspection was clean. Easy to install and the replacement schedule is straightforward.

    Robert M. —Environmental Compliance Officer, Industrial Park

    Verified Buyer
  • Great product for the price. Fits our 12-inch outfall pipes perfectly and the drawstring keeps it secured even during heavy flow events. We keep spare socks on hand and swap them out quarterly — simple and effective stormwater BMP.

    Lisa C. —Maintenance Supervisor, Water Treatment Facility

    Verified Buyer
  • Our municipality requires outfall monitoring and we were consistently failing for oil and grease. Since installing pipe socks on all our discharge points, every sample has been clean. The inspector actually asked where we bought them so he could recommend them to other facilities.

    Frank B. —Public Works Director, Municipality

    Verified Buyer
Cross-Reference Guide

This product is compatible with applications that use the following part numbers:

  • introThis product is compatible with applications that use the following part numbers:
  • partsA9707-OSU9707-OSU
  • notePipe sock for oil and sediment filtration. Passive storm drain filter for stormwater compliance. NPDES SWPPP compliant. AbsorbentsOnline SKU: A9707-OSU.