Circular Multicone Diffusers

A quality yet very economically priced fully adjustable multicone ceiling diffuser which is suitable for both supply and extract applications.

Adjustment of the air pattern is achieved by screwing the core in or out of the outer frame. The core can be removed by unscrewing it completely.


Manufactured from spun aluminium throughout, with centre threaded boss within the neck to facilitate core adjustment.

The optional twin blade damper is adjusted by removing the core for access.

Size and Weight

Available in the following neck sizes.

Note: Weights quoted exclude accessories.

160 Ø 0.57 kg

200 Ø 0.81 kg

250 Ø 1.3 kg

315 Ø 1.8 kg

Economy Circular Multicone Diffuser product image
Circular Multicone Diffusers

Diffusers range

Air Valve product image
Air Valves

Air Valves

For supply or extract air, fully adjustable inner core which regulates air volume, noise level and pressure drop.

Air-Jets product image


High capacity air jet diffuser consisting of concentric rings assembled with a pivoting eyeball adjustment facility to 30° from its axis.