Grille & Diffuser Boxes

ImageNameSummaryPriceBuy
Diffuser Box (Side Entry Spigot)£23.77£35.66 (Excl. VAT)
Plastic Grille Box | Diffuser Box - Multi Spigot

Our plastic grille boxes can also be used as diffuser boxes (you would need to cut the 20mm flange off). See the table below for the sizes that are suitable to use with ceiling tile replacement grilles and ventilation diffusers.

£8.27£17.47 (Excl. VAT)
Diffuser Box (Top Entry Spigot)£15.86£23.77 (Excl. VAT)
Grille Box (Side Entry Spigot)£28.54£35.66 (Excl. VAT)
Grille Box (Top Entry Spigot)£19.02£34.87 (Excl. VAT)