12½ Inch Grilles
Looking for 12½ inch grilles and diffusers? This page collects every 12½ inch product in our catalogue — ceiling grilles, wall grilles, plastic grille boxes and external louvres — so a complete, matching setup can be ordered in one go. Matching the neck size to your duct or spigot ensures a proper fit first time.Spend over £400 ex VAT and UK delivery is free. Stocked items ordered before 3pm are dispatched for next-working-day delivery.
Showing all 5 results
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Circular Weather Louvre – 12½ inch
£54.81 + VAT Add to basket -
Grille Box (Plenum Box) – 14 inch x 14 inch x 12½ inch
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 16 inch x 16 inch x 12½ inch
£12.50 + VAT Choose Options -
Grille Box (Plenum Box) – 18 inch x 18 inch x 12½ inch
£13.00 + VAT Choose Options -
Grille Box (Plenum Box) – 22 inch x 22 inch x 12½ inch
£17.60 + VAT Choose Options