Waterless trap seals for Australian drains.
Green Drain waterless trap seals are WaterMark certified for Australian plumbing systems. Available in 11 sizes from 1.25" to 6", including EG models for Australian drain standards. Drop-in install, no tools required.
1.25" Waterless Trap Seal
Fits DN 32 / 29.22 L/min
Sinks, basins, bidets, shower trays
$48.45 AUD View Product
1.5" Waterless Trap Seal
Fits DN 38 / 51.55 L/min
Showers, laundry rooms, basement drains
$48.45 AUD View Product
2" Waterless Trap Seal
Fits DN 50 / 82.50 L/min
Bathroom and restroom floor drains
$51.55 AUD View Product
2.5" Waterless Trap Seal
Fits DN 65 / 72.50 L/min
Australian standard residential drains
$54.20 AUD View Product
3" Waterless Trap Seal
Fits DN 80 / 105.70 L/min
Commercial restrooms, kitchens, corridors
$54.20 AUD View Product
3-3.5" EG Waterless Trap Seal
Fits DN 75-90mm / 105.70 L/min
Adaptable fit across varied Australian drain sizes
$57.15 AUD View Product
3.5" Waterless Trap Seal
Fits DN 90 / 323.17 L/min
Commercial kitchens, food processing
$57.15 AUD View Product
3.5-4" EG Waterless Trap Seal
Fits DN 90-100mm / 323.17 L/min
Seamless compatibility across different pipe sizes
$59.70 AUD View Product
4" Waterless Trap Seal
Fits DN 100 / 340 L/min
Most common commercial floor drain size
$59.70 AUD View Product
5" Waterless Trap Seal
Fits DN 125 / 391 L/min
Industrial production floor drains
$65.95 AUD View Product
6" Waterless Trap Seal
Fits DN 150 / 550 L/min
Maximum-capacity industrial drains
$71.10 AUD View ProductCompare 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 (AU Exclusive) | 2.5" | DN65 | 72.50 L/min | 35 mm | AU residential & light commercial |
| GD3 | 3" | DN80 | 105.70 L/min | 51 mm | Commercial restrooms & kitchens |
| GD 3-3.5" EG (AU Exclusive) | 3-3.5" | DN80-90 | 105.70 L/min | 50 mm | Extended gasket for AU drain standards |
| GD35 | 3.5" | DN90 | 323.17 L/min | 51 mm | Commercial kitchens & food processing |
| GD 3.5-4" EG (AU Exclusive) | 3.5-4" | DN90-100 | 323.17 L/min | 50 mm | Extended gasket for AU drain standards |
| GD4 | 4" | DN100 | 340 L/min | 51 mm | Most common commercial floor drain |
| GD5 | 5" | DN125 | 391 L/min | 42 mm | Industrial production drains |
| GD6 | 6" | DN150 | 550 L/min | 51 mm | Heavy industrial & maximum-capacity |
WaterMark certified for Australian plumbing systems. Also carries cUPC, ASSE 1072, CE, NSF, and HACCP certifications.
View All Certifications
Ready to protect your drains?
Drop-in install. No tools. Works from day one.