Black Stainless Steel Floor Drain 20cm: Anti-Odor & Anti-Bug
By Maintenance Depot Plumbing Team · Last reviewed
Quick answer
The FD-20 is a 20cm black 304 stainless steel floor drain with a flap core that closes when water stops, blocking odours and insects. It includes a hollow plate, filter mesh and drain holder.

Bad smells and insects coming up through floor drains are a common problem in warm climates. The black stainless steel floor drain, 20cm (FD-20) tackles both while adding a modern look.
Specs at a glance
| Spec | Detail |
|---|---|
| Product | Floor drain |
| Model | FD-20 |
| Length | 20cm |
| Material | 304 stainless steel |
| Finish | Black |
| Protection | Anti-odor, anti-bug flap core |
| Included | Hollow plate, filtering mesh, flap core, drain holder |
Features
- 304 stainless steel
- Anti-blocking, anti-plugging design
- Powerful drainage
- Anti-bug and anti-odor protection
- 20cm length
What's included
- Hollow plate
- Filtering mesh
- Flap floor drain core
- Floor drain holder
How the flap core works
The flap opens under the weight of draining water, then closes when the flow stops. That keeps sewer gas, cockroaches and other pests from coming up through the drain, even when the trap water has dried out.
Best uses
- Modern bathrooms with black fixtures
- Showers and wet rooms
- Laundry areas
Installation tips
- Connect the drain holder to your outlet pipe.
- Fit the flap core and filter mesh.
- Tile to the drain, keeping the top just below the tile surface.
Cleaning
Lift the plate, remove the mesh and rinse. Check the flap moves freely.
Need more length? See the 30cm black stainless floor drain (FD-30).
Frequently asked questions
How does a flap core floor drain stop cockroaches?
The flap closes when water stops flowing, blocking the opening even if the trap water evaporates.
Does the flap slow down drainage?
No, it opens under the weight of draining water.
How do I clean it?
Lift the plate, remove the mesh, rinse, and check the flap moves freely.
Buy Black Stainless Steel Floor Drain - 20cm at Maintenance Depot