10m Black Combi Ducting 102mm (4") — European Light-Tight Dual-Layer

10m Black Combi Ducting 102mm (4") — European Dual-Layer Light-Tight Construction

Sourced from Europe, our Black Combination Ducting is strong and reliable — purposely designed in black to prevent light reflection through the ducting. Double-layered construction with an aluminium inner and plastic outer greatly increases resistance to tearing while preventing light leaks. Dual-layer design delivers serious durability for permanent grow-room installations.

Why growers choose 10m Black Combi:

• 10m practical length — enough for full grow-room runs or multi-tent installations
• 102mm (4") diameter — fits 4" fan and filter setups
• Black outer prevents light reflection — no light leaks through the ducting itself
• Dual-layer construction — aluminium inner + plastic outer for proper durability
• European sourced — quality construction, not budget import stock
• Strong tear resistance — survives years of grow-room use
• Light-tight for sealed dark cycles — proper photoperiod discipline

Who it's not for:

For 6", 8", 10" extraction (more common UK home-grow sizes), check the matching diameter variants. For acoustic noise reduction, RAM Sonoduct or Phonic Trap deliver better noise control at higher cost. Not as quiet as acoustic ducting — for genuinely quiet operation, step up to acoustic alternatives. Pair with proper duct clips (Jubilee or worm-drive) for secure connections.

Available to collect from our Stone shop at Unit 24, Emerald Way, ST15 0SR — or ships the same working day from our UK warehouse. Not sure if this is the right fit? Give us a ring on 01785 556355 or email sales@roots2riches.com — we're growers ourselves, happy to help.