Yellow Drain Plug for Spills 4-In. Dia. 1/Plug
★★★★★ 5.0 on Google (4 reviews) · See reviews- Instant drain seal — flexible polyurethane creates watertight barrier in seconds
- Safety orange — high-visibility color for fast identification during spill events
- Removable eyebolt — easy retrieval after spill is resolved
- Reusable — durable polyurethane rated for hundreds of deployments
- FREE Shipping — ships to the Continental US
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Product Overview
Technical Specifications
| SKU | ACP4D |
|---|---|
| Diameter | 4 inches |
| Material | Polyurethane |
| Color | Yellow |
| Weight | 3 lbs |
| Manufacturer | PSI Urethanes, Inc. |
| Quantity | 1 Plug |
| Application | Floor drain spill containment |
| Compliance | EPA stormwater regulations |
| Shipping | Ships free to lower 48 states |
Compare Stormwater Protection Products
Choose the right stormwater BMP for your facility
| Feature | Storm Drain Cover Seal | Deluxe Drain Cover | Drain Filter Insert | Floor Drain PlugThis Product | Pipe Sock | Trench Drain Boom |
|---|---|---|---|---|---|---|
| Best For | Blocking storm drain inlets during spills | Heavy-duty drain sealing with vehicle traffic | Filtering oil & sediment from stormwater | Sealing indoor floor drains during spills | Filtering oil from outfall pipe discharge | Absorbing oil from trench drain channels |
| Protection Type | Complete drain blockage — watertight seal | Complete drain blockage — heavy-duty seal | Oil absorption + sediment filtration | Complete drain blockage — expandable seal | Oil absorption at pipe outlet | Passive oil absorption in channel |
| Installation | Place over drain — no tools needed | Place over drain — no tools needed | Drop into catch basin frame — under 60 sec | Press into drain opening — expands to fit | Slide over pipe + cinch drawstring | Place in channel — secure with rebar |
| Drain Location | Outdoor storm drain inlets | Outdoor storm drain inlets | Outdoor catch basins | Indoor floor drains | Outfall discharge pipes | Trench & channel drains |
| Vehicle Traffic Rated | No vehicle traffic | No vehicle traffic | N/A — sits below grate | N/A — sits inside drain | N/A — attaches to pipe | N/A — sits in channel |
| Reusable | ✓ Yes — clean & redeploy | ✓ Yes — clean & redeploy | Replace media when saturated | ✓ Hundreds of deployments | Replace when saturated | Replace when saturated |
| Regulatory Support | CWA, NPDES, SWPPP, SPCC | CWA, NPDES, SWPPP, SPCC | NPDES, SWPPP, CGP, MS4 BMPs | SPCC, NPDES, SWPPP | NPDES, SWPPP, CWA BMPs | NPDES, SWPPP, CWA BMPs |
| Available Sizes | 12″–54″ round & square | 18″–48″ round | 48×36 & 60×60 inserts | 2″–12″ diameter | 8″, 12″, 16″ diameter | 3″ dia × 8 ft long |
| Free Shipping | ✓ FREE to Continental US | ✓ FREE to Continental US | ✓ FREE to Continental US | ✓ FREE to Continental US | ✓ FREE to Continental US | ✓ FREE to Continental US |
| Shop | View Drain Covers → | View Deluxe Covers → | View Filter Inserts → | ✓ You’re viewing this | View Pipe Socks → | View Trench Drain Boom → |
Regulatory Compliance & Standards
This product supports compliance with the following regulations:
Expert Insights
Yellow Drain Plug for Spills 4-In. Dia. 1/Plug | Floor Drain Plug for Spill Response
Why Floor Drain Plugs Are Essential
Indoor floor drains connected to the sanitary sewer or storm system are a primary pathway for spilled chemicals and petroleum to leave a facility. SPCC plans and OSHA spill response procedures require the ability to seal floor drains during spill events to prevent pollutant discharge. Floor drain plugs deliver instant, tool-free drain sealing that meets regulatory requirements for indoor spill containment.
Who Buys Floor Drain Plugs
EHS managers, spill response teams, facility maintenance supervisors, safety coordinators, and procurement teams at manufacturing plants, chemical processing facilities, automotive shops, fleet maintenance operations, food processing plants, and any industrial facility with floor drain connections to the sewer system.
Purchased by EHS managers, spill response coordinators, facility maintenance supervisors, and safety directors. All products backed by AbsorbentsOnline’s 40+ years of industrial safety expertise.
Frequently Asked Questions
Yellow Drain Plug for Spills 4-In. Dia. 1/Plug
What drain size does this 4-inch yellow plug fit?
It fits standard 4-inch diameter round floor drains in industrial and commercial settings.
How heavy is the 4-inch yellow drain plug?
This plug weighs 3 lbs, providing a stable seal once placed in the drain.
What material is the yellow drain plug made from?
It is made from durable polyurethane with excellent chemical resistance.
Can this plug stop oil from going down the drain?
Yes, it creates a watertight seal that blocks oils, fuels, and chemical liquids.
Is there a kit with multiple yellow plug sizes?
Yes, the Yellow Drain Plug Set includes 4-inch, 3-inch, and 2-inch plugs together.
Why Customers Choose AbsorbentsOnline
Facilities, field crews and government buyers have ordered from us since 1985.
- 5.0 on Google See our reviews
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Family-owned since 1985
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Free shipping to the lower 48 states
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Ships from the warehouse nearest you Faster delivery, lower freight costs
- Real experts at (800) 869-9633
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Cross-Reference Guide
The Yellow 4-Inch Drain Plug (ACP4D) by PSI Urethanes cross-references with these common industry part numbers and equivalents.
- PSI Urethanes ACP4D
- 4-inch polyurethane floor drain plug
- Standard 4-in round drain seal plug
- Compatible with most 4-inch floor drain openings
Verify drain diameter before ordering. Also available in a set with 3-inch and 2-inch yellow plugs for multi-size coverage.
