250mm Duct

250mm Duct Acoustic Fans

Displaying 1 to 12 (of 12 products)
Helios  SB-250-C SilentBox Acoustic Inline Fan
Helios SB-250-C SilentBox Acoustic Inline Fan
£ 502.24
Duty: Up to 960m3/hr ■ Installation: Installation in any position without restriction – horizontally, vertically or pitched – suitable for intake or extract (Exception: SVS must not be ins...
KVK Slim 250 - Low profile Semi Acoustic Box Fan
KVK Slim 250 - Low profile Semi Acoustic Box Fan
£ 486.49
• Slim design, easy to install • Easy maintenance, service cover • Low sound level, insulated cover • High efficiency and low SFP in a real working point • Speed-controllable • Simple...
KVK SLIM 250 EC - Centrifugal Circular Duct Fan
KVK SLIM 250 EC - Centrifugal Circular Duct Fan
£ 872.05
KVK SLIM 250 EC * Slim design, easy to install * Easy maintenance, service cover * Low sound level, insulated cover * High efficiency and low SFP in a real working point * Potentiometer in...
Singleflow SSDL250-1EC
Singleflow SSDL250-1EC
£ 877.65
Singleflow SSDL fans are suitable for external mounting. The range incorporates advanced backward curved impellers. All models are designed for direct connection to standard diameter flexible or ri...
QP315C Acoustic Fan - 315mm
QP315C Acoustic Fan - 315mm
£ 975.00
QP315C Acoustic Fan - 315mm...
ACQ-25012D  Acoustic Inline Box Fan
ACQ-25012D Acoustic Inline Box Fan
£ 886.88
• Acoustically treated housing, Class ‘O’ rated, sandwich construction selected for maximum noise absorption • Motors protected to IP44 • Motor insulation Class ‘B’ • Maximum operat...
ISOR 250 EC 20
ISOR 250 EC 20
£ 603.90
**Backward curved centrifugal fan **EC motor **Integrated electronic **Galvanized metal housing **sound insulated ISOR 250 EC 20 | 50 Hz Voltage UN 230 V 1~ Current Imax 1.8 A Ambient temp...
CAB-250 ECOWATT  Energy Efficient Acoustic Box Fan
CAB-250 ECOWATT Energy Efficient Acoustic Box Fan
£ 1,452.64
Low profile acoustic cabinet fans, manufactured from galvanised sheet steel and internally lined with 50mm thickness of fireproof acoustic insulation (M0), with sound-absorbent insulation at the inlet...
Quietflow SQS250-1ECL - Centrifugal Box Fan
Quietflow SQS250-1ECL - Centrifugal Box Fan
£ 1,177.00
Quietflow SQS250-1ECL - Centrifugal Box Fan • Standard size 250 mm • Air volume flow rates up to 0.347 m3/s • Static pressures up to 841 Pa • Suitable for operating temperatures up to +6...
Acoustic MiniBox Fan - MINI-BOX 250
Acoustic MiniBox Fan - MINI-BOX 250
£ 319.00
The MINI-BOX series consists of centrifugal in-line fans, with acoustically insulated casing and with round spigot (diameter from 100mm to 315mm) for easy connection to round duct system. Main featur...
TD-SILENT 1300/250
TD-SILENT 1300/250
£ 699.12
Standard versions on 150mm versions and above now have three speed motors. Spigot size: 250mm Airflow: 1320m3/hr Power Absorbed: 204W Sound Level: 35db radiated @ 3M The S&P TD SILENT Series In...
Acoustic Box Fans (Inline) - CAB-250N
Acoustic Box Fans (Inline) - CAB-250N
£ 448.51
The CAB Acoustic inline fan series is manufactured by S&P and continuing their range of quiet fans, this range of attenuated cabinet fans are specifically designed to provide extract ventilation solut...
Displaying 1 to 12 (of 12 products)
1 x Jetflow-HIT Metal inline - 150mm1 x 200mm - 150mm Stainless Steel Ducting Reducer1 x Jetflow-HIT Metal inline - 160mm1 x Etaline 355mm - E2-011 x 110 x 54mm Flat Channel Connector1 x FSD-TD 300 x 200 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM24-TF (SC)1 x HV Wall Mounted Belt Drive Fan 1250mm 220V to 240V / 50Hz 1.1kW - Single Phase1 x Helios GigaBox 355mm GBD 355/4/4 centrifugal1 x CFDM-125 Circular Twin Blade Fire Damper1 x 110 x 54mm Round to Rectangular Adaptor - Long1 x Ancillary Sealing Band - 315mm1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x ELTA - Single Phase Transformer 12amps1 x Elta 2 Amp Electronic single phase speed controller.1 x Spiral Duct Grille Termination - 450mm1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x Duct Termination with Mesh - 100mm1 x Ducting 90 Degree Bend - 450mm1 x Spiral Ducting 3 Meters - 710mm1 x KVK SLIM 250 EC - Centrifugal Circular Duct Fan1 x Elta LC100N4-A6/381 x Impeller Side Guard - 560mm1 x DEF-800AN1 x EX 140A-4C Mounting Kit for 125mm Duct1 x EC6H - Reversible Group Fan Electronic Controller1 x Elta SLC1000/4C-3AC - IP551 x QP315C Acoustic Fan - 315mm1 x Etaline 200mm E2M 01 3-Speed1 x KV 200 L Sileo1 x Acopel F400-450/1601 x Differential Pressure Switch - 20 - 300 Pa - IP651 x Ducting 90 Degree Bend - 1000mm1 x Ducting 45 Degree Bend - 315mm1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Circular Inline Silencers - 600mm - 600mm1 x Gripple HVAC Hanger Range - Loop Fast - LF2 - 3mtr1 x Impeller Side Guard - 315mm1 x Jetflow-HIT Metal inline - 200mm1 x AR Sileo 500 Cased Axial Fan Guard - SG AXC/AM/AR 5001 x Male Ducting Connector - 710mm1 x Flanged Spigot - 450mm
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...