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Réf COL-25-350
Hose Clamp 25-375 mm – Stainless Steel Duct Clamp – BloomLED
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€4.79
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EXTRACTION & VENTILATION
Hose clamp 25-375 mm: a completely airtight extraction line
In indoor growing, an extraction line only performs as advertised when every joint is airtight. A single leak where your aluminium ducting meets the inline fan cuts real-world airflow, lets odours escape into the room and destabilises both temperature and VPD inside the grow tent. This stainless steel worm-drive hose clamp spans 25 to 375 mm, so one single part locks Ø 100, 125, 150, 200 and 250 mm ducting onto your extractor fans, carbon filters, silencers and duct connectors. A simple component, hand-picked by BloomLED, horticultural LED lighting and indoor growing specialists for more than 10 years.
| Specification | Value |
|---|---|
| Clamping range | 25 to 375 mm |
| Material | Corrosion-resistant stainless steel |
| Tightening system | Worm-drive screw |
| Compatible ducting | Ø 100 / 125 / 150 / 200 / 250 mm |
| Tool required | Flat screwdriver or 8 mm nut driver |
| Reference | COL-25-350 |
25-375mm range
100%Stainless steel
5Duct sizes covered
🌱 No airflow losses
Even pressure around the full circumference pulls the ducting tight against the fan flange. You keep the airflow figure the manufacturer quoted instead of losing 10-20% of it in loose, tape-patched joints.
🛡 Corrosion-proof stainless steel
Air leaving a grow room is warm and heavily loaded with moisture. Stainless steel will not rust and holds its clamping torque cycle after cycle, including downstream of a dehumidifier or on a fan running around the clock.
🔧 Fitted in 30 seconds
The worm-drive screw takes a flat screwdriver or an 8 mm nut driver. The clamp opens fully, drops over ducting that is already in place and tightens back down without dismantling your setup.
Which duct diameters does this clamp fit?
Its 25 to 375 mm range covers every standard indoor growing diameter: Ø 100, 125, 150, 200 and 250 mm, in flexible aluminium ducting as well as insulated acoustic ducting. If your setup never exceeds 175 mm, the 25-175 mm version is more compact and slightly cheaper.
How many clamps do I need for a full setup?
Allow two clamps per length of ducting, one at each end. A standard grow tent running carbon filter to inline fan to outside vent therefore needs four clamps minimum, or six once you add an acoustic silencer.
Under €5 to protect the performance of your entire extraction line: without an airtight seal, even a premium inline fan runs below its rated capacity and lets odours slip through.
✓ BloomLED selection✓ Indoor experts for 10+ years✓ Dispatched within 24 h✓ Free technical advice
Product copy of Clamp 25 - 175mm ideal for professional use, personal use, performance. Quality and performance guaranteed.
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A fully airtight extraction line — lock your aluminium ducting onto inline fans, carbon filters and silencers with zero air leak and zero odour escape.
Hand-picked by BloomLED, designed in France, indoor growing specialists for over 10 years.
25-375 mm range · Stainless steel · Worm-drive screw · Fits Ø 100-250 mm ducting
€4.79
In stock