| Catalogue No | Description | Size | Finish |
| VKH80/15-50 |
Stabiliser, Automatic Air Flow Volume
| 15-50m3/hr 80mm | |
| VKH100/15-50 |
Stabiliser, Automatic Air Flow Volume
| 15-50m3/hr 100mm | |
| VKH100/50-100 |
Stabiliser, Automatic Air Flow Volume
| 50-100m3/hr 100mm | |
| VKH125/15-50 |
Stabiliser, Automatic Air Flow Volume
| 15-50m3/hr 125mm | |
| VKH125/50-100 |
Stabiliser, Automatic Air Flow Volume
| 50-100m3/hr 125mm | |
| VKH125/100-180 |
Stabiliser, Automatic Air Flow Volume
| 100-180m3/hr 125mm | |
| VKH150-160/50-100 |
Stabiliser, Automatic Air Flow Volume
| 50-100m3/hr 150-160mm | |
| VKH150-160/100-180 |
Stabiliser, Automatic Air Flow Volume
| 100-180m3/hr 150-160mm | |
| VKH150-160/180-300 |
Stabiliser, Automatic Air Flow Volume
| 180-300m3/hr 150-160mm | |
| VKH200/100-180 |
Stabiliser, Automatic Air Flow Volume
| 100-180m3/hr 200mm | |
| VKH200/180-300 |
Stabiliser, Automatic Air Flow Volume
| 180-300m3/hr 200mm | |
| VKH200/300-500 |
Stabiliser, Automatic Air Flow Volume
| 300-500m3/hr 200mm | |
| VKH250/180-300 |
Controller, Automatic Constant Air Flow Volume, for In-Duct Installation
| 180-300m3/hr 250x127mm | |
| VKH250/300-500 |
Controller, Automatic Constant Air Flow Volume, for In-Duct Installation
| 300-500m3/hr 250x127mm | |
| VKH250/500-700 |
Controller, Automatic Constant Air Flow Volume, for In-Duct Installation
| 500-700m3/hr 250x127mm | |
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