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Grilles, Diffusers & Registers

Our wide selection of grilles, registers, diffusers, and accessories includes a variety of shapes and sizes to meet any application and budget requirement.

An effective HVAC system needs to be made up of the correct components, positioned perfectly in each room in a building to ensure an even air  distribution.

Grilles and Diffusers: What’s the difference?
Although grilles and diffusers job roles are similar, they do have some major differences.

Grilles can be used to either supply or return air, coming usually in a fixed blade. Grills are static and have fixed openings, the volume is constant as long as the fan volume is constant.

Grilles can be used for different applications and are often installed in vertical surfaces such as walls or doors.

Diffusers on the other hand can direct air in more directions than just up or down and, depending on the type of diffuser it is, can have several configurations which allow for multiple air pattern control.

Ceiling Diffusers Wall & Ceiling Grilles Door Grilles Eggcrate Grilles Floor Grilles & Floor Boots Frameless (Plaster In) Vents Grille Boots & Adaptors External Air Louvres External Cowls & Vents
List Photos
Code Product Price Min.
Quantity		 Status Quantity
OAL250SQ OAL250SQ Outside Air Louvre 250x250 (Neck Size)
RRP $87.00
$7,565.00 		0 Available from Stock
OAL300SQ OAL300SQ Outside Air Louvre 300x300 (Neck Size)
RRP $111.00
$96.52 		0 Available from Stock
OAL400SQ OAL400SQ Outside Air Louvre 400x400 (Neck Size)
RRP $185.00
$160.87 		0 Available from Stock
OAL500SQ OAL500SQ Outside Air Louvre 500x500 (Neck Size)
RRP $255.00
$221.74 		0 Indent 10 days +
OAL600SQ OAL600SQ Outside Air Louvre 600x600 (Neck Size)
RRP $300.00
$260.87 		0 Limited Stock
RWPL6 RWPL6 Outside Air Louvre Round - White 150Ø
RRP $104.00
$90.44 		0 Available from Stock
RWPL8 RWPL8 Outside Air Louvre Round - White 200Ø
RRP $174.00
$151.30 		0 Available from Stock
RWPL10 RWPL10 Outside Air Louvre Round - White 250Ø
RRP $70.00
$60.87 		0 Available from Stock
RWPL8 RWPL8 Outside Air Louvre Round - White 300Ø
RRP $99.00
$86.09 		1 Available from Stock
PGB-300100-150S PGB-300100-150S Poly Grille Boot – 300x100 – 150Ø Straight
RRP $31.50
$27.39 		0 Available from Stock
Available from Stock
Outside Air Louvre 250x250 (Neck Size) OAL250SQ
RRP $87.00
$7,565.00
Available from Stock
Outside Air Louvre 300x300 (Neck Size) OAL300SQ
RRP $111.00
$96.52
Available from Stock
Outside Air Louvre 400x400 (Neck Size) OAL400SQ
RRP $185.00
$160.87
Indent 10 days +
Outside Air Louvre 500x500 (Neck Size) OAL500SQ
RRP $255.00
$221.74
Limited Stock
Outside Air Louvre 600x600 (Neck Size) OAL600SQ
RRP $300.00
$260.87
Available from Stock
Outside Air Louvre Round - White 150Ø RWPL6
RRP $104.00
$90.44
Available from Stock
Outside Air Louvre Round - White 200Ø RWPL8
RRP $174.00
$151.30
Available from Stock
Outside Air Louvre Round - White 250Ø RWPL10
RRP $70.00
$60.87
Available from Stock
Outside Air Louvre Round - White 300Ø RWPL8
RRP $99.00
$86.09
Min.Quantity
1
Available from Stock
Poly Grille Boot – 300x100 – 150Ø Straight PGB-300100-150S
RRP $31.50
$27.39