Silent Air Extractor - Prima Klima WHSP - 360|460m³/h - Ø125mm - 2 speed Prima Klima - 2

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Brand Prima Klima Réf EXT-PK-125-WHSP2-360-460M3H

Prima Klima Whisperblower Silent Inline Extractor Fan Ø125mm - 360/460m³/h - 2 Speed

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Poids (kg)3-4

Diamètre (mm)125 mm

Débit (m³/h)360 - 460m³/h

Type d'extracteur2 Vitesses

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Points clés

Poids (kg) : 3-4
Diamètre (mm) : 125 mm
Débit (m³/h) : 360 - 460m³/h
Type d'extracteur : 2 Vitesses
Type de moteur : AC

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Ventilation & air extraction

Prima Klima Whisperblower Ø125 mm: silent power for your grow room

At BloomLED, indoor-growing specialists for more than 10 years, we chose the Prima Klima Whisperblower because it solves growers' biggest headache: ventilating effectively without turning the room into a wind tunnel. With two speeds of 360 and 460 m³/h on a Ø125 mm connection, it refreshes the air, removes heat and humidity and pairs perfectly with a carbon filter — all while running up to twice as quietly as a conventional extractor.

Prima Klima Whisperblower Ø125mm silent inline extractor fan for indoor growing - BloomLED

Specification	Detail
Brand	Prima Klima
Model	Whisperblower (WHSP)
Air flow	360 / 460 m³/h — 2 speeds
Connection diameter	Ø125 mm
Motor type	AC (alternating current)
Voltage	230 V
Housing material	Reinforced polyamide
Noise level	Very low — 2× quieter
Carbon-filter compatibility	Optimised for Ø125 mm
Weight	3.5 kg
Dimensions	36 × 28 × 38 cm
Reference	EXT-PK-125-WHSP2-360-460M3H

460m³/h max

2speeds

Ø125mm

2×quieter

🔇 Whisper-quiet operation

Thanks to its Whisperblower design, this fan runs up to two times quieter than an equivalent standard model — ideal for a discreet indoor grow, even in a living space.

💨 Two speeds, two flow rates

Switch between 360 and 460 m³/h depending on your grow phase and ambient temperature. You fine-tune air exchange without over-sizing your setup.

⚙️ Durable AC motor

The Prima Klima alternating-current motor is renowned for its robustness and longevity — a reliable investment for years of back-to-back grows.

🌀 Carbon-filter ready

Air flow and static pressure are tuned to match a Ø125 mm carbon filter, ensuring effective odour neutralisation.

🌱 Climate under control

By extracting warm, humid air, it stabilises temperature and humidity — two key factors for healthy growth and flowering.

🛡️ Built to be reliable

Quality bearings and motor thermal protection keep the fan dependable even during long, continuous run cycles, season after season.

What grow volume can this fan ventilate?

At 360–460 m³/h, the Ø125 Whisperblower is ideal for grow tents and spaces up to roughly 1.5–2 m³, delivering several complete air changes per hour. For larger volumes, choose a Ø150 model.

Is it compatible with a carbon filter?

Yes — it is optimised for Ø125 mm carbon filters. We recommend pairing it with a filter rated close to 460 m³/h, such as the ProActiv Ø125, to neutralise odours without losing performance.

How can I make it even quieter?

Use the low speed (360 m³/h) at night, suspend the fan on anti-vibration mounts and, if needed, add a Ø125 acoustic box. These simple steps make the setup almost inaudible.

Can I control the speed with a controller or thermostat?

Absolutely. The AC motor works with a fan-speed controller or ventilation thermostat, letting you automatically match air flow to your grow-space temperature.

Which way should I fit it and how do I maintain it?

Install it in extraction mode with the arrow on the housing pointing towards the air outlet (outside or filter, depending on your setup). An occasional dusting of the blades with compressed air keeps the air flow strong and extends motor life.

The best silence / performance balance for Ø125 ventilation: a Prima Klima extractor built to last, hand-picked and shipped by BloomLED, your indoor lighting and ventilation expert for over 10 years.

✓ Designed in France✓ 10+ years of expertise✓ Fast dispatch✓ Genuine Prima Klima

Fiche technique — Prima Klima Whisperblower Silent Inline Extractor Fan Ø125mm - 360/460m³/h - 2 Speed
Marque	Prima Klima
Poids (kg)	3-4
Diamètre (mm)	125 mm
Débit (m³/h)	360 - 460m³/h
Type d'extracteur	2 Vitesses
Type de moteur	AC
Gestion de la vitesse	Oui
Tension (V)	230
Matière	Polyamide
Optimisé pour filtre à charbon	Oui
Niveau sonore (dB)	Très bas (2x plus silencieux que standards)
Debit d'air (m3/h)	360/460

Specific References
EAN13	8594171433023

Reference EXT-PK-125-WHSP2-360-460M3H

Product Silent Air Extractor - Prima Klima WHSP - 360|460m³/h - Ø125mm - 2 speed ideal for professional use, personal use, performance. Quality and performance guaranteed.