150mm Grilles
Looking for 150mm grilles and diffusers? This page collects every 150mm 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 1–16 of 23 results
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Eggcrate Grille with Damper – 150mm x 150mm Neck (195mm x 195mm Face)
£23.83 + VAT Add to basket -
Circular Weather Louvre – 150mm
£16.50 + VAT Add to basket -
Square Weather Louvre – 150mm x 150mm
£15.54 + VAT Add to basket -
4-Way Ceiling Diffuser – 150mm x 150mm (Face size 295mm x 295mm)
£17.96 + VAT Add to basket -
4-Way Ceiling Diffuser – 150mm x 150mm (Face size 295mm x 295mm) – With Damper
£21.24 + VAT Add to basket -
Round Ceiling Diffuser (with Damper) – 150mm
£20.09 + VAT Add to basket -
Air Extract Valves – 150mm
£7.73 + VAT Add to basket -
Air Extract Valves – Fire Rated – 150mm
£52.20 + VAT Add to basket -
Air Supply Valves – 150mm
£7.73 + VAT Add to basket -
Air Supply Valves – Fire Rated – 150mm
£65.76 + VAT Add to basket -
Grille Box (Plenum Box) – 150mm x 150mm x 100mm
£7.60 + VAT Choose Options -
Grille Box (Plenum Box) – 150mm x 150mm x 150mm
£7.60 + VAT Choose Options -
Terlok Ring Leader® – 150mm Diameter
£3.98 + VAT Add to basket -
Single Deflection Grille – 150mm x 150mm Neck (195mm x 195mm Face)
£13.70 + VAT Add to basket -
Double Deflection Grille – 150mm x 150mm Neck (195mm x 195mm Face)
£17.14 + VAT Add to basket -
Eggcrate Grille – 150mm x 150mm Neck (195mm x 195mm Face)
£15.43 + VAT Add to basket