800mm Grilles

Looking for 800mm grilles and diffusers? This page collects every 800mm product in our catalogue — external louvres, wall grilles and square weather 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.