250mm Duct

250mm Duct Acoustic Fans

Displaying 1 to 12 (of 12 products)
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...
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...
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 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...
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...
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...
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...
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...
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...
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...
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...
Displaying 1 to 12 (of 12 products)
1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-3AC - Three Phase1 x PRIO 400 EC, Axial circular duct fan - EC motor1 x Etaline 400mm -EC1 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x TTT/4-800/H N 4KW (400V50HZ)EXEIIT3 VE Atex Unit1 x Etamaster EM 400 EC 01 inline mix-vent fan1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT450/4-3AC1 x Etaline 400mm1 x CRHB-250N Ecowatt - Energy Efficient Roof Fan1 x Belt Drive Cased Axial Fan - 900mm - H version1 x Metal Inline Fan - VENT-400K - T (3 Phase)1 x HCF - Ceiling Fan 1200mm (48 inch)1 x Elta SLC900/4B-3AC - IP551 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x 150mm Round Connector with Damper1 x HV Wall Mounted Belt Drive Fan 1250mm 400V / 50Hz 1.1kW - Three Phase1 x 100mm Round Wall Plate1 x Quietflow SQSDCV100-1ECL - Centrifugal Box Fan1 x HQD 355/4 Plate Axial Fan (4-pole)1 x 100mm Wall Duct - 350mm1 x Elta Standard Ambient Flexible Connector - 250mm1 x Soler & Palau - HCFT/4-1000/L-X - IP551 x TD1000 Mixvent - 250mm1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x Inline Axial Fan - VOK-C 3151 x Acoustic MiniBox Fan - MINI-BOX 2501 x KVK Slim 160 - Low profile Semi Acoustic Box Fan1 x Soler & Palau - HCBB/2-355/H - IP651 x Helios GigaBox 315mm GBW 315/4 centrifugal1 x HRB/4-350-BPN1 x HRT/4-350-BPN E211 x Elta SPA350/4-1AC - IP441 x Acopel F400-450/1601 x ECS25/400 ECS25/400 SPRING A/V MOUNT1 x Soler & Palau - HCBT/4-355/H - IP651 x Soler & Palau TCBT/4-630/L - IP651 x Elta Box Fan AV Mounts - 063-SEL03 (PACK of 4)1 x Metal Inline Fan - VENT-250NK1 x Elta SLC630/4A-3AC - IP551 x TD1300 Mixvent - 250mm
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 ...