Connect your ducting with a perfect airtight fit — rigid 150/125 mm plastic reducer to adapt extractor fans, filters and ducting in your grow tent.
Curated in France by BloomLED, indoor-growing expert for over 10 years.
150/125 mm . Rigid plastic . Quick fit . Airtight seal
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Essential for joining two duct diameters, this 150/125 mm reducer keeps your grow-tent air circuit airtight and efficient. A tiny accessory that makes a big difference to your extraction setup.

| Feature | Detail |
|---|---|
| Type | Ventilation reducer / adapter |
| Diameters | 150 mm to 125 mm |
| Size | MEDIUM |
| Material | Lightweight rigid plastic |
| Use with | Ducting, extractor fans, carbon filters |
Effortlessly links a 150 mm duct to a 125 mm hose or device for a clean, leak-free installation.
A clean diameter transition preserves the pressure and efficiency of your extractor fan or carbon filter.
Durable, reusable rigid plastic, hand-picked in France by our indoor-growing experts.
Yes. It sits between any 150 mm duct and a 125 mm element (flexible ducting, filter, silencer, fan). A clamp ensures an airtight seal.
How do I install it correctly?Slide the 150 mm side onto your main duct and the 125 mm side onto the accessory, then secure with a clamp or aluminium tape for a perfect seal.
An accessory under EUR 3.50 that prevents pressure loss and air leaks: the quiet ally of a successful indoor ventilation setup.