Designed for 2.5" (DN65) drain standards common in Australian plumbing systems. Residential and light commercial floor drains, shower drains, utility drains. Drop-in install, no tools required.
Four flexible silicone sealing ribs form a one-way valve. Water passes through freely under gravity. When flow stops, the ribs close to create a continuous mechanical seal. No water required.
The GD25 is sized specifically for 2.5" (DN65) drain standards, accommodating pipe diameters from 63 to 65mm. This size bridges the GD2 and GD3 and is primarily used in Australian and APAC markets.
Drop-in installation. No tools. No plumber.
| Model | GD25 |
| Pipe Size | 2.5" (63-65 mm) / DN65 |
| Height | ~35 mm |
| Housing Material | ABS Plastic |
| Valve Material | Silicone Rubber |
| Seal Material | Silicone Gasket |
| Flow Rate (Level C) | 19.15 GPM (72.50 LPM) |
| WaterMark License | WM-022837 |
| Primary Market | APAC / Australia |
| Patents | US 7,900,288 · US 9,027,172 |
Lift the existing drain grate or strainer from the floor drain body.
Place the Green Drain into the drain body or hub opening.
The silicone gasket creates a snug seal against the pipe walls.
Put the grate back. Done. A full commercial floor in an afternoon.
The 2.5" floor drain is specific to Australian plumbing standards. The GD25 serves residential and light commercial applications across a range of building types.
WM-022837
Trap seal performance standard
Certificate RG-04
Food Equipment Certified
>99.9% blockage of viral aerosols
Rapport 957187
Contact our team for international orders and distributor inquiries.
