
Green Drain
Green Drain™ 55-65 mm (GD2.5)
$54.20inc GST
In stock
Fits pipe2.5" (55-65 mm)
NominalDN65
Height35 mm
Flow (Level U)72.50 L/min
Review note (hidden in production): GD25 fitment range is under factory review (Green Drain, Aug 2026); height is from the current listing, not the GD spec page.
SKU: GD 2.5
WaterMark certified
About this product
Product Features
- Allows fluids and debris to flow but nothing back up the drain
- Easy to install no tools required
- Separately Recyclable & made from >60% recyclable materials
- Available in seven sizes plus two hybrid models
- Ideal for floor waste, sinks, showers, kitchens, HVAC, Refrigeration rooms
- Washable, Replaceable every 12 months
- Prevents pests and pesky fruit flies from coming up through your drain.
- Stops shower smells and drains smells.
Green Drain™ is the newest and most innovative waterless trap seal on the market.
Where can Green Drain™ Be Used?
Green Drain™ is a suitable drain trap for the following industries:
- Residential - Made to be used on all drains in your home.
- Apartment Blocks - Ideal for Strata Managers looking for a solution in multiple dwellings.
- Commercial Offices
- Hospitals
- Schools & Universities
- Restaurants
- Hotels
- Factories & Warehouses
- Gyms
Specifications
| Model | GD25 |
| Fits pipe | 2.5" (55-65 mm) |
| Nominal size | DN65 |
| Height | 35 mm |
| Housing | ABS plastic, UV resistant |
| Valve | Silicone rubber sealing skirt |
| Seal | Silicone gasket with four flexible sealing ribs |
| Flow, ASSE 1072 Level C | 33.80 L/min |
| Flow, ASSE 1072 Level U | 72.50 L/min |
| WaterMark | WM-022837 (DN65) |
| Patents | Multiple US and international patents |
Source: Green Drain published specifications and WaterMark licence WM-022837. Green Drain is a supplementary trap-seal protection device under WMTS-522:2021 and does not replace the water seal trap.
Not sure which product you need?
Tell us what is happening with your drains, septic or indoor air and we will point you to the right product, or say if you do not need one.



