Alpha Relief Air Vents – MRV1


The Alpha Relief Air Vents have been designed to control air pressure within buildings. They may also be used in a ducted system where the fan is mounted remotely to the cowl. Fitted with bird mesh to eliminate the risk of debris and birds entering the building.

SKU: MRV1 Category: Tag:



Lightweight, corrosion-proof construction.

Can also be used as air intake units.

Protective bird mesh guards are fitted as standard.

Base and cowl made of U.V. stabilised plastic.

Designed for curb mounting.

Can be mounted at angles up to 30°.

Model No. A B C D E App. Weight kg App. Vol. m³ Min. Free Area m²
MRV1 210 260 30 200 310 1.0 0.02 0.017
MRV2 350 410 55 350 570 3.0 0.14 0.073

All dimensions in mm


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