Seal joints and gaps against water, air and dust and fix components without screws.

Ventilation Grille G 21 R
Key features
- Dimensions (mm)340 x 340
- Thickness (mm)20
- MaterialPlastic
What it is
Ventilation Grille G 21 R. Key specifications: dimensions (mm) 340 x 340, thickness (mm) 20, material Plastic.
A ventilation grille is a perforated or louvred element, in plastic, aluminium or steel, that covers an opening in a wall or duct and lets air through while keeping out insects, leaves and objects.
What it is for
Used in air conditioning and air handling systems and for ventilating workplaces.
How to use it
Choose the size to suit the opening and fix it with screws and wall plugs or as a push fit, onto a clean opening. Where gas appliances are present, never obstruct the ventilation grille. Clean it regularly of dust and dirt.
Where it is used
- Residential construction
- Building services
- Building maintenance
Technical data
- Dimensions (mm): 340 x 340
- Thickness (mm): 20
- Material: Plastic
Who it is for
Designed for building maintenance operatives, bricklayers, HVAC technicians and heating and plumbing engineers.
Related products
- Support Grid with Mesh
- Ventilation Grille CR 237 B
- Professional trolley dehumidifier with 8 l tank Master — from the category Dehumidifiers and Heat Pumps
- Three-phase electric heaters — from the category Electric and Gas Hot Air Heaters
- Cable Reel for Lawn Mowers — from the category Site Electrical Equipment: Plugs, Sockets, Cables and Extension Leads
- Browse the whole category: Ventilation Systems, Air Grilles and Vents
Before you order
Tell us the quantities you need and the intended use: if there is a more suitable version, or an equivalent available sooner, we will let you know.
For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.
Specifications 4
| Item code | 727.507.21100 |
|---|---|
| Dimensions (mm) | 340 x 340 |
| Thickness (mm) | 20 |
| Material | Plastic |
Compare with similar models
Technical data declared by the manufacturers. An empty cell means the figure is not declared.
| Feature |
This model
Ventilation Grille G 21 R
|
Ventilation Grille CR 237 B
|
Ventilation Grilles
|
Flush-Mount Ventilation Grille art. GF610
|
|---|---|---|---|---|
| Brand | A.M.E.S. srl | A.M.E.S. srl | A.M.E.S. srl | A.M.E.S. srl |
| Dimensions | 340 x 340 mm | 220 x 70 mm | 205 x 225 mm | 600 x 100 mm |
| Thickness | 20 mm | 17 mm | 20 mm | 1,3 mm |
| Material | Plastic | Plastic | Plastic | Aluminium |
| View product → | View product → | View product → |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Fix, assemble, repair and seal without screws or glue on wood, metal and walls.
Fix medium and light items to walls by expanding in the hole.
Cut wide holes in concrete, masonry and tiles for pipes, electrical boxes and openings.








