Welcome to the grille & diffuser online Shop.

When you have purchased your grilles with a grille box a "Confirmation order form" will automatically be sent by email for you to confirm spigot sizes and positions you require.



STR Swirl ceiling tile replace diffusers only

Swirl diffusers made from cold rolled galvanised plate steel powder coated in RAL9010 white and the grille only option can be used for return air back to fan coils via the ceiling void or for your own grille boxes to be added to. All prices include delivery.

£30.79
(+ postage: £15)
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STR Swirl ceiling tile replace diffusers c/w boxes

Swirl diffusers have fixed spiral blades that introduce cool or warm air to the room by rapidly mixing it with room air to reduce temperature and also perceived drafts or cold/hot spots. The grilles come complete with a pre-insulated 20mm thick phenolic foam lightweight side entry grille box (85% lighter than metal) that will not need fixing to the slab. An option for a balancing damper on the grille box has been provided. Swirl diffusers are made from cold rolled galvanised plate steel powder coated in RAL9010 white and all price include delivery.

£62.27
(+ postage: £15)
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LFD 4 way blow diffuser, grille only no OBD.

LFD type (Louvred Face Diffuser) is for mounting within either a MF plaster board ceiling or within a ceiling grid (the 450mm neck version directly replaces a 600mm x 600mm ceiling tile). The grille only option can be used for return air back to fan coils via the ceiling void or for your own grille boxes to be added to. This square ceiling diffuser is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£22.53
(+ postage: £15)
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LFD 4 way blow with side entry box & no OBD

LFD type base is for mounting within either a MF plaster board ceiling or within a ceiling grid (the 450mm neck version directly replaces a 600mm x 600mm ceiling tile). The grilles come complete with a pre-insulated 20mm thick phenolic foam lightweight side entry grille box (85% lighter than metal) that will not need fixing to the slab, no OBD has been included for balancing air flows. This square ceiling diffuser is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£55.93
(+ postage: £15)
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LFD 4 way blow diff c/w side entry box with OBD

LFD type base is for mounting within either a MF plaster board ceiling or within a ceiling grid (the 450mm neck version directly replaces a 600mm x 600mm ceiling tile). The grilles come complete with a pre-insulated 20mm thick phenolic foam lightweight side entry grille box (85% lighter than metal) that will not need fixing to the slab, the grille comes complete with OBD for air balancing. This square ceiling diffuser is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£61.20
(+ postage: £15)
Quantity: Options:


LFD 450mm neck c/w NRP & side entry box, no OBD

LFD type 450 with NRP (neck reducer plates to give air throws of smaller grilles with the ease of a ceiling tile replace grille) base is for mounting within either a MF plaster board ceiling or within a ceiling grid replacing a 600 x 600 tile. The grilles come complete with a pre-insulated 20mm thick phenolic foam lightweight side entry grille box (85% lighter than metal) that will not need fixing to the slab, no OBD has been included for balancing air flows. This square ceiling diffuser is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£84.73
(+ postage: £15)
Quantity: Options:


LFD 450mm neck c/w NRP & side entry box with OBD

LFD type 450 with NRP (neck reducer plates to give air throws of smaller grilles with the ease of a ceiling tile replace grille) base is for mounting within either a MF plaster board ceiling or within a ceiling grid replacing a 600 x 600 tile. The grilles come complete with a pre-insulated 20mm thick phenolic foam lightweight side entry grille box (85% lighter than metal) that will not need fixing to the slab, the grille OBD allows adjustment and balancing of air volumes onto the grilles. This square ceiling diffuser is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£94.16
(+ postage: £15)
Quantity: Options:


LFD 4 way blow diffuser with top entry box no OBD

LFD type (Louvred Face Diffuser) is for mounting within either a MF plaster board ceiling or within a ceiling grid (* the 450mm neck version directly replaces a 600mm x 600mm ceiling tile). The grilles come complete with a black recycled thermoplastic box, lighter than steel, impact resistent, non corrosive and 150mm high that will not need fixing to the slab, no OBD for air balancing is included . This square ceiling diffuser is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£39.83
(+ postage: £15)
Quantity: Options:


LFD 4 way blow diffuser c/w top entry box with OBD

LFD type (Louvred Face Diffuser) is for mounting within either a MF plaster board ceiling or within a ceiling grid (* the 450mm neck version directly replaces a 600mm x 600mm ceiling tile).  The grilles come complete with a black recycled thermoplastic box, lighter than steel, impact resistent, non corrosive and 150mm high that will not need fixing to the slab. This grille comes complete with OBD for air balancing. This square ceiling diffuser is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£57.83
(+ postage: £15)
Quantity: Options:


LFD 450mm neck c/w NRP & top entry box, no OBD

LFD type (Louvred Face Diffuser) is for mounting within either a MF plaster board ceiling or within a ceiling grid (the 450mm neck version directly replaces a 600mm x 600mm ceiling tile).  The grilles come complete with a black recycled thermoplastic box, lighter than steel, impact resistent, non corrosive and 150mm high that will not need fixing to the slab. No OBD has been included for balancing air flows. This square ceiling diffuser is designed to is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£55.60
(+ postage: £15)
Quantity: Options:

LFD 450mm neck c/w NRP & top entry box with OBD

LFD type (Louvred Face Diffuser) is for mounting within either a MF plaster board ceiling or within a ceiling grid (the 450mm neck version directly replaces a 600mm x 600mm ceiling tile).  The grilles come complete with a black recycled thermoplastic box, lighter than steel, impact resistent, non corrosive and 150mm high that will not need fixing to the slab complete with grille OBD for air balancing. This square ceiling diffuser is designed to achieve an even supply air distribution from any ceiling. They are constructed from aluminium and are finished in RAL9010 white and all prices include delivery.

£65.03
(+ postage: £15)
Quantity: Options:

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