250mm Duct

250mm Duct Acoustic Fans

Displaying 1 to 13 (of 13 products)
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...
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...
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...
EMI 250 E2M - Acoustic Inline Mixvent Fan
EMI 250 E2M - Acoustic Inline Mixvent Fan
£ 295.00
EMI E2M - Acoustic Inline Mixvent Fan Diagonal impeller with stator 3-step Integrated thermostatic switch sound insulated Galvanized sheet steel housing...
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...
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...
KVK Slim 250 - Low profile Semi Acoustic Box Fan
KVK Slim 250 - Low profile Semi Acoustic Box Fan
£ 510.81
• 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
£ 915.65
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...
QP315C Acoustic Fan - 315mm
QP315C Acoustic Fan - 315mm
£ 975.00
QP315C Acoustic Fan - 315mm...
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...
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...
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...
Displaying 1 to 13 (of 13 products)
1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - Three Phase1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HWAS1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT500/4-3AC1 x HR-500 DP Heat Exchange Unit1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FRQ5-10A Inverter Speed controller1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-3AC - Three Phase1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HAS1 x CRHB/6- 315mm Roof mounted Fan - Horizontal discharge1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Venturia Whole House Ventilation1 x filter pack (set of 2) pt no. 4438891 x CRHT/4-315 N Roof mounted Fan - Horizontal discharge1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x CADB/T-HE PRO-REG Series1 x Frequency converter RUCK - FU 075 201 x MEV 160 & 300 FT (FastTrack) Additional Spigots1 x Positive Input Ventilation System - Wall Mounted Unit c/w Heater1 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-1000-B 5.5kw1 x FU 075 52 Frequency Inverter (IP20)1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-3AC - Three Phase1 x *VORT HRW 30 MONO Evo - Single Room Heat Recovery Unit,1 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-1000-A 5.5kw1 x FU 22 04 Frequency Inverter1 x OZEO ECOWATT 2 Wireless Low Energy Whole House Extract Ventilation Unit1 x GENIOX 11 Roof Mounted External Unit1 x CADB/T-HE 54 ECOWATT Series1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT400/4-3AC1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT560/4-3AC1 x AKOR Mounting Plate for GD model(VIM166423)1 x AKOR T3/7 Spare Motor1 x Pressed Ducting Saddle - 450mm1 x ELTA - Single Phase Transformer 12amps1 x CBMT/Q 150-27 1 HEATER KIT1 x Classic SAX30/12ARB Wall Mounted
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 ...