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.
1.25" Waterless Trap Seal
Fits 32mm / 29.22 L/min
Sinks, basins, bidets, shower trays
$32.95 View Product
1.5" Waterless Trap Seal
Fits 38mm / 51.55 L/min
Showers, laundry rooms, basement drains
$34.95 View Product
2" Waterless Trap Seal
Fits 50-58mm / 82.50 L/min
Bathroom and restroom floor drains
$39.95 View Product
3" Waterless Trap Seal
Fits 75-85mm / 105.70 L/min
Commercial restrooms, kitchens, corridors
$42.95 View Product
3.5" Waterless Trap Seal
Fits 89-100mm / 323.17 L/min
Commercial kitchens, food processing
$44.95 View Product
4" Waterless Trap Seal
Fits 102-110mm / ≥340 L/min
Most common commercial floor drain size
$49.95 View Product
5" Waterless Trap Seal
Fits 120-135mm / 391 L/min
Industrial production floor drains
$59.95 View Product
6" Waterless Trap Seal
Fits 150-156mm / ≥550 L/min
Maximum-capacity industrial drains
$64.95 View ProductAPAC Region Models
Designed for Australian and APAC plumbing standards. Contact us for international availability.
2.5" Waterless Trap Seal
Fits 63-65mm / 72.50 L/min
Australian residential and light commercial drains
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3-3.5" EG Waterless Trap Seal
Fits DN 75-90mm / 105.70 L/min
Extended gasket for APAC drain standards
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3.5-4" EG Waterless Trap Seal
Fits DN 90-100mm / 323.17 L/min
Extended gasket for APAC drain standards
Request a Quote View ProductAccessories
Tools for measuring, installing, and maintaining Green Drain products.
Measuring Tool Keychain
Identifies all 8 drain sizes
Site surveys and drain sizing
$6.95 View Product
Extraction Tool
Works with all models
Quick removal for inspection and replacement
$6.95 View ProductNot 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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Compare all models.
| Model | Pipe Size | DN | Flow Rate (U) | Height | Key Application |
|---|---|---|---|---|---|
| GD125 | 1.25" | DN32 | 29.22 L/min | 26 mm | Fixture drains |
| GD15 | 1.5" | DN40 | 51.55 L/min | 28 mm | Residential drains |
| GD2 | 2" | DN50 | 82.50 L/min | 33 mm | Residential/commercial |
| GD25 (APAC) | 2.5" | DN65 | 72.50 L/min | 35 mm | AU residential/commercial |
| GD3 | 3" | DN80 | 105.70 L/min | 51 mm | Commercial |
| GD 3-3.5" EG (APAC) | 3-3.5" | DN80-90 | 105.70 L/min | 50 mm | APAC extended gasket |
| GD35 | 3.5" | DN90 | 323.17 L/min | 51 mm | Food service |
| GD 3.5-4" EG (APAC) | 3.5-4" | DN90-100 | 323.17 L/min | 50 mm | APAC extended gasket |
| GD4 | 4" | DN100 | ≥340 L/min | 51 mm | Commercial/institutional |
| GD5 | 5" | DN125 | 391 L/min | 42 mm | Industrial |
| GD6 | 6" | DN150 | ≥550 L/min | 51 mm | Heavy industrial |
All models are cUPC listed, ASSE 1072 compliant, and carry CE and NSF certifications with HACCP International endorsement.
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Ready to protect your drains?
Drop-in install. No tools. Works from day one.