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Powerful airflow, near-silent operation — The TT Silent 230 pulls 340 m³/h while keeping your grow room virtually inaudible.
Trust factor: hand-picked by BloomLED, designed in France, indoor growing experts for 10+ years, full technical support included.
125 mm · 340 m³/h · 2 speeds · Multi-layer soundproof housing
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The TT Silent 230 inline extractor is the go-to choice for serious indoor growers who want a strong 340 m³/h airflow without the noise of a standard fan. Multi-layer acoustic housing, hybrid axial-centrifugal motor and built-in two-speed controller — every detail is engineered to keep your grow room ventilated day and night while staying discreet. Available at BloomLED for €157.50, with fast UK and EU delivery.

| Specification | Value |
|---|---|
| Model | TT Silent 230 |
| Diameter | 125 mm (compatible with standard Ø125 ducting) |
| Maximum airflow | 340 m³/h |
| Speeds | 2 speeds (built-in controller) |
| Motor type | Hybrid axial + centrifugal |
| Voltage | 230 V — 50 Hz |
| Construction | Polymer-coated steel + acoustic insulation |
| Application | Grow rooms, indoor tents, sealed cultivation spaces |
The acoustic enclosure wraps the motor in high-density sound-absorbing material. The result: a near-silent operation that suits indoor growing in flats, offices and any living space where noise is a concern.
The combination of an axial fan and a centrifugal fan delivers a powerful, steady airflow strong enough to overcome the resistance of a carbon filter or long ducting run. Ideal for grow tents from 60×60×140 cm up to 120×120×200 cm.
Adapt extraction to your grow stage. Speed 1 for cloning and vegetative growth, speed 2 for managing heat and humidity through full flower. No external speed controller needed.
Polymer-coated anti-corrosion steel shell, perforated inner liner that absorbs sound waves. Engineered to run continuously without overheating or premature wear.
Renews fresh air, removes heat and humidity, prevents mould and water stress. Plants enjoy a stable climate — the foundation for premium yields and the full benefit of your PAR / PPFD spectrum.
Standard Ø125 mm flanges, universal mounting, direct 230 V mains connection. The fan slots into your existing ducting, carbon filter and ventilation network in minutes.
Yes. Thanks to its acoustic housing and perforated sound-absorbing inner liner, noise levels are noticeably lower than a regular inline fan of the same airflow rating. It can run at night in a lived-in room — something a basic Profan or VK fan cannot do. Acoustic performance is the headline feature of the TT Silent range.
What grow tent size will 340 m³/h ventilate?The BloomLED rule of thumb is 30 to 60 air changes per hour (add 25% headroom when running a carbon filter). 340 m³/h fits a 100×100×200 cm tent up to a 120×120×220 cm tent under standard conditions. For larger spaces or multiple high-power HPS/LED lights, step up to the 150 mm model or add an intake fan.
Is the mains cable supplied with the TT Silent 230?No, the mains cable is sold separately. BloomLED offers compatible cables with an in-line switch. This lets every grower pick the cable length and plug type that suits their setup, without paying for a generic cable that may end up unused.
How do I install the TT Silent 230 in my grow tent?Suspend the fan high in the tent (warm air rises) using straps or a mounting bracket. Connect the intake to your carbon filter and the outlet to a Ø125 mm aluminium duct routed out of the room. Plug into a 230 V socket and choose the right speed. Allow 15 to 30 minutes for a methodical install.
What maintenance keeps performance over time?Switch off the power, then dust off impellers and grilles every 2 to 3 months with a soft brush or compressed air. Check the upstream carbon filter (typically replaced once a year). A well-maintained extractor delivers 5 to 8 years of intensive indoor service with no noticeable airflow loss.
The TT Silent 230 is the extractor the BloomLED team recommends when you want the best airflow-to-silence ratio in a 125 mm format. Soundproof housing, dual motor, integrated speed control: a long-term investment for stress-free, high-performance indoor cultivation.