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The Winflex TT Silent M125 is a 125 mm inline extractor fan designed for indoor growers who demand efficient ventilation without the noise. Its acoustic insulation box wraps the motor for remarkably quiet operation, while the built-in thermostat and speed controller give you complete control over the air renewal in your grow tent or grow room.

| Specification | Detail |
|---|---|
| Type | Soundproofed inline extractor fan |
| Connection diameter | Ø 125 mm |
| Built-in thermostat | Yes — automatic temperature regulation |
| Speed controller | Yes — manual airflow adjustment |
| Dimensions | 47.4 × 24.3 × 23.7 cm |
| Brand | Winflex — selected by BloomLED |
In indoor growing, air matters as much as light. An extractor fan removes hot, humid, odour-laden air, renews the CO₂ available to your plants and stabilises both temperature and humidity. The TT Silent M125 was engineered to perform this job reliably, day after day, while staying out of earshot: its acoustic shell drastically reduces motor and airflow noise, a decisive advantage for grow spaces set up in a living area or apartment.
Where many extractor fans force a choice between power and discretion, this Winflex model delivers both. The built-in thermostat triggers or modulates extraction as soon as the temperature rises above your set point, protecting your plants from heat spikes without any action on your part. The speed controller lets you fine-tune airflow to match your tent volume, growth stage or the season. It is the ideal solution for relaxed, autonomous climate management.
The acoustic insulation box surrounds the motor and dampens both vibration and airflow rush. The result: a fan you can barely hear, perfect for growing at home without disturbing neighbours or your daily life.
Set your target temperature: once it is exceeded, the fan automatically adjusts its activity to remove the heat. Your plants stay in their comfort zone, even during summer heat peaks, with no need for constant monitoring.
The integrated potentiometer lets you modulate airflow by hand. You adapt extraction to the size of your space, the growth phase and your desired noise level, for the perfect balance between air renewal and discretion.
Winflex is a recognised reference in growshop ventilation. The TT Silent M125 carries that build quality: durable materials, a reliable motor and a well-finished box for years of intensive use in a humid environment.
The 125 mm diameter is the most widespread standard in indoor growing. The TT Silent M125 connects directly to ducting, a carbon filter or a Ø125 extraction kit with no adapter, for fast and clean setup.
By removing stale air and stabilising temperature and humidity, the fan limits the risk of mould and pests, supports healthy flowering and improves the efficiency of your lighting. An essential pillar of successful indoor growing.
Paired with a Ø125 activated carbon filter and quality ducting, the TT Silent M125 forms a complete extraction system able to neutralise odours and guarantee a healthy atmosphere in your space. At BloomLED, an indoor growing expert for more than 10 years, we select every link in the ventilation chain for its reliability and real-world performance.
Thanks to its speed controller, the TT Silent M125 adapts to a wide range of small and medium Ø125 mm grow spaces, typically compact to intermediate tents. Airflow is set manually: lower it for a small, very discreet volume or raise it for stronger air renewal. For accurate sizing, plan to renew your tent's air volume several times per minute and account for duct length and the carbon filter.
Does the soundproof box really make the fan quiet?Yes. The acoustic insulation box around the motor absorbs much of the mechanical noise and airflow turbulence. This is exactly what sets the TT Silent range apart from bare fans: operation becomes quiet enough for installation in a living space. Perceived noise also depends on the speed chosen via the controller and the quality of the duct installation.
What is the built-in thermostat for?The thermostat lets you define a target temperature for your grow space. When the measured temperature exceeds that threshold, the fan automatically modulates its operation to remove excess heat, then eases off once the set point is reached. It is valuable protection against heat spikes, especially in summer or with powerful lighting, and it spares you constant monitoring.
Can I use it with a carbon filter?Absolutely, and it is strongly recommended. The standard 125 mm diameter connects directly to a Ø125 activated carbon filter and ventilation ducting. The fan + filter + duct combination forms a complete extraction system that neutralises odours and cleans the air. BloomLED offers compatible Ø125 kits and accessories to complete your setup.
Why choose Winflex and buy at BloomLED?Winflex is a proven, widely praised brand for growshop ventilation, recognised for value and the reliability of its fans. Ordering from BloomLED, an indoor growing expert for over 10 years, gives you a careful selection, technical advice and a catalogue of compatible accessories to build a coherent, high-performing climate management system.
Thermostat + speed controller + soundproof box in a single Ø125 unit: the TT Silent M125 delivers powerful, automatic and silent ventilation with no compromise.