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A grow room is only as good as its airline. This Ø200 mm Combi Alu/PVC duct, hand-picked by BloomLED, connects extractor, carbon filter and outlet through a flexible, sealed and reinforced run built for high airflow. Ten metres is enough to wire a full setup without stacking up joints.

Everything comes down to the wall. Plain aluminium ducting lets odour escape through micro-perforations and radiates extractor heat straight into the room it crosses. Combi ducting bonds an aluminium layer and a PVC layer around a steel spiral, so warm, loaded air stays inside all the way to the outlet — and your discretion no longer rests on the carbon filter alone.
Ø200 mm is the standard for high-volume setups: large tents, dedicated rooms, extractor and filter combinations rated 800 to 1300 m³/h. The generous cross-section keeps static pressure low, so your fan hits the same air exchange at a lower speed. Less noise, fewer vibrations, lower power draw.
Installation is quick. The duct stretches to length, bends without kinking and cuts cleanly with tin snips. Two jubilee clips secure each connection. Grower's tip: keep bends as open as you can and never coil the leftover length on the floor — every tight turn costs you real airflow.
| Specification | Value |
|---|---|
| Internal diameter | 200 mm |
| Length | 10 metres |
| Construction | Aluminium + PVC double wall |
| Reinforcement | Helical steel spiral |
| Use | Extraction and intake |
| Insulation | Odour and heat |
| Fixing | Ø200 mm jubilee clips |
| Reference | GN-200-ALUPVC-10M |
Aluminium contains the heat, PVC seals the micro-leaks that carry smell. Together they turn the run into a genuinely closed duct rather than a simple connecting hose.
The 200 mm cross-section cuts static pressure, so the extractor reaches your target air exchange at a lower speed and a noticeably lower noise level.
Supplied compressed, the duct stretches to a full 10 metres and cuts to the exact length of your room without deforming or kinking.
Extractor fans, carbon filters, silencers, bends and wall vents in the 200 mm standard connect straight on with ordinary clips.
Bare aluminium is thin, perforates at every fold and passes extracted heat into whatever room it runs through. Combi ducting adds a PVC skin that seals the wall, so odour leakage over long runs drops sharply and the corridor or loft it crosses stays cool. It is the sensible choice as soon as the duct passes through living space.
Slide the duct five to ten centimetres over the Ø200 mm spigot, then tighten a metal clip over the overlap, at both ends. Avoid a right-angle bend immediately at the fan outlet and leave a straight section before the first turn to protect airflow.
Yes. Compress the duct, mark your cut, snip the steel spiral with wire cutters and slice the wall with a knife. Many growers run one length from filter to fan, a second from fan to outlet, and keep the remainder for passive or active intake.
Ten metres in a single order: enough to cover both extraction and intake, with spare length to rearrange your room later without buying more ducting.
| Type | Gaine |
|---|---|
| Diamètre (mm) | 200 |