650mm Grilles

Browse our 650mm range, including external louvres, wall grilles and square weather louvres. Matching the neck size to your duct or spigot ensures a proper fit first time.

UK delivery is free on orders over £400 ex VAT, and stocked items ordered before 3pm are dispatched for next-working-day delivery.

Alpha Air Ventilation Supplies is a Leicester-based supplier of commercial and industrial ventilation equipment, serving trade and business customers across the UK.

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