Waterless Trap Seals for Every Drain Size. Free U.S. Shipping

One product. Every drain size.

Green Drain waterless trap seals fit standard floor drains from 1.25 to 6 inches. cUPC listed, ASSE 1072 compliant, drop-in install. Choose your size below.

Green Drain GD125 waterless trap seal for 1.25-inch drains
GD125

1.25" Waterless Trap Seal

Fits 32-38mm / 29.22 L/min

$32.95 View Product
Green Drain GD15 waterless trap seal for 1.5-inch drains
GD15

1.5" Waterless Trap Seal

Fits 39-47mm / 51.55 L/min

$34.95 View Product
Green Drain GD2 waterless trap seal for 2-inch floor drains
GD2

2" Waterless Trap Seal

Fits 51-59mm / 82.50 L/min

$39.95 View Product
Green Drain GD25 waterless trap seal for 2.5-inch floor drains
GD25

2.5" Waterless Trap Seal

Fits 55-65mm / 72.50 L/min

$41.95 View Product
Best Seller
Green Drain GD3 waterless trap seal for 3-inch commercial floor drains
GD3

3" Waterless Trap Seal

Fits 68-81mm / 105.70 L/min

$42.95 View Product
Green Drain GD35 waterless trap seal for 3.5-inch kitchen floor drains
GD35

3.5" Waterless Trap Seal

Fits 89-95mm / 323.17 L/min

$44.95 View Product
Green Drain GD4 waterless trap seal for 4-inch floor drains
GD4

4" Waterless Trap Seal

Fits 99-107mm / ≥340 L/min

$49.95 View Product
Green Drain GD5 waterless trap seal for 5-inch industrial floor drains
GD5

5" Waterless Trap Seal

Fits 125-133mm / 391 L/min

$59.95 View Product
Green Drain GD6 waterless trap seal for 6-inch industrial drains
GD6

6" Waterless Trap Seal

Fits 149-157mm / ≥550 L/min

$64.95 View Product

International Models

Sized for international plumbing standards. Available worldwide by request. Contact us for availability.

International
Green Drain GD3/35 waterless trap seal with extended gasket for 3 to 3.5 inch drains
GD3/35

3-3.5" Waterless Trap Seal

Fits 77-95 mm / 105.70 L/min

Request a Quote View Product
International
Green Drain GD35/4 waterless trap seal with extended gasket for 3.5 to 4 inch drains
GD35/4

3.5-4" Waterless Trap Seal

Fits 89-108 mm / 323.17 L/min

Request a Quote View Product

Accessories

Tools for measuring, installing, and maintaining Green Drain products.

Green Drain measuring tool keychain
Accessory

Measuring Tool Keychain

Identifies all 8 drain sizes

Site surveys and drain sizing

$6.95 View Product
Green Drain extraction tool
Accessory

Extraction Tool

Works with all models

Quick removal for inspection and replacement

$6.95 View Product
For Facility Managers

Not sure which size you need?

Green Drain fits standard floor drain bodies from 1.25 to 6 inches. Measure the inside diameter of your drain body or hub opening and match it to the corresponding model. For multi-site projects or mixed drain sizes, contact us for a site assessment.

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Green Drain waterless trap seal product family showing four sizes

Compare all models.

Model Pipe Size Fits (mm) Flow Rate (U) Height
GD125 1.25" 32-38 mm 29.22 L/min 27 mm
GD15 1.5" 39-47 mm 51.55 L/min 30 mm
GD2 2" 51-59 mm 82.50 L/min 33 mm
GD25 2.5" 55-65 mm 72.50 L/min 35 mm
GD3 3" 68-81 mm 105.70 L/min 50 mm
GD3/35 (International) 3-3.5" 77-95 mm 105.70 L/min 50 mm
GD35 3.5" 89-95 mm 323.17 L/min 50 mm
GD35/4 (International) 3.5-4" 89-108 mm 323.17 L/min 50 mm
GD4 4" 99-107 mm ≥340 L/min 50 mm
GD5 5" 125-133 mm 391 L/min 42 mm
GD6 6" 149-157 mm ≥550 L/min 50 mm

All models are cUPC listed, ASSE 1072 compliant, and carry CE and NSF certifications with HACCP International certification.

View All Certifications

Ready to protect your drains?

Drop-in install. No tools. Works from day one.

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