Pictures and technical downloads of our supply grille range some of which can also be used for return grilles to match.

CO Circular plastic supply grille

Right is a CO circular supply grille that requires no grille box, duct connects on top at the pre-determined manufactured duct size.  These are ideal for domestic installations within MF (plasterboard) ceilings and are for supply air use only, for return air an ecccrate grille would be suitable. 

Click here for technical info. on CO grilles 

 

 

Swirl diffuser tile replace

 Right is a 600 x 600 tile replace swirl diffuser for commercial applications and can be used for supply or return air with or without top or side entry Koolduct pre-insulated lightweight grille boxes.

 Click here for technical info. on Swirl diffusers

 Click here for swirl & grille box type confirmation order form 

 

LFD 4 way blow louver face diffuser

Right is a 600 x 600 tile replace LFD 4 way blow louver face diffuser for commercial applications and comes complete with NRP (neck reducer plates) where required to achieve air flows and avoid dumping. Smaller versions are available for MF (plasterboard) ceilings and all can be used for supply or return air with or without top black plastic neck adaptors or side entry Koolduct pre-insulated lightweight grille boxes. Opposed blade Dampers (OBD) are also an option for easy airflow balancing.

Click here for technical info. on LFD diffusers 

Click here for LFD no OBD & grille box type confirmation order form

Click here for LFD with OBD & grille box type confirmation order formPDF perforated face diffuser

 Right is a PDF (peforated face diffuser) grille that requires no grille box, duct connects on top at the pre-determined manufactured duct size.  These come in the larger 315mm duct size that is a 600 x 600 tile replace grille and the smaller sizes are suitable for cutting into ceiling tiles or into MF (plasterboard) ceilings.

Limited air direction is achievable by a disc within the grille, they can also be used for return air applications to match if required.

Click here for technical info. on PDF diffusers

 

 Lightweight grille box side entry

Right is a lightweight phenolic foam grille box for either swirl or LFD diffusers, the grille box is finished in black internally for asthetic purposes. 

These can be made with oval spigots for shallow versions or top entry boxes, these are approx. 15% the weight of traditional metal boxes with insulation and therefore do not need additional support so saving on labour and materials on installation.

 

 Black plastic neck reducer

Right is a low cost lightweight top entry black plastic neck adaptor for LFD diffusers, the grille box is finished in black for asthetic purposes. Please check you have sufficient space for the ductwork to turn 90 degrees for connection if you are restricted by a ceiling void height.