400mm Grilles
400mm Grilles
We list 15 products in 400mm, including wall grilles, ceiling grilles, plastic grille boxes and external 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.
Showing all 15 results
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Eggcrate Grille with Damper – 400mm x 400mm Neck (445mm x 445mm Face)
£61.30 + VAT Add to basket -
Square Weather Louvre – 400mm x 400mm
£30.40 + VAT Add to basket -
Grille Box (Plenum Box) – 400mm x 400mm x 100mm
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 400mm x 400mm x 150mm
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 400mm x 400mm x 200mm
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 400mm x 400mm x 250mm
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 400mm x 400mm x 300mm
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 400mm x 400mm x 315mm
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 400mm x 400mm x 355mm
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 400mm x 400mm x 400mm
£12.50 + VAT Choose Options -
Single Deflection Grille – 400mm x 400mm Neck (445mm x 445mm Face)
£36.71 + VAT Add to basket -
Double Deflection Grille – 400mm x 400mm Neck (445mm x 445mm Face)
£52.16 + VAT Add to basket -
Eggcrate Grille – 400mm x 400mm Neck (445mm x 445mm Face)
£32.90 + VAT Add to basket -
Grille Box (Plenum Box) – 450mm x 450mm x 400mm
£13.00 + VAT Choose Options -
Grille Box (Plenum Box) – 550mm x 550mm x 400mm
£17.60 + VAT Choose Options