Renson 491 - CUSTOM wall-mounted storm grille - Renson

Renson 491 - CUSTOM wall-mounted storm grille - Renson

The CUSTOM-MADE recessed wall ventilation grille type 491 is manufactured with storm blades for good sealing with low air flow, or with a lot of wind .
It is fixed invisibly in the wall opening using doguets or clip springs (small dimensions).

Material :

• Made from Alu AlMgSi 0.5 profiles (according to EN 12020-2)
• Standard: 304 stainless steel mosquito net - 6 x 6 mm
• Finish: natural anodized (20 microns) or powder coated in all RAL colors (60-80 microns)

Special applications:

1. Good water resistance at low flow, high wind applications, coastal region B
2. we have snow resistance

Dimensions:

• Blade pitch: 33 mm
• Recessed depth: 29 mm
• Frame coverage: 21 mm
• Minimum dimensions: 100 x 100 mm