250mm Duct

250mm Duct Acoustic Fans

Displaying 1 to 12 (of 12 products)
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...
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...
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...
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...
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...
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...
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...
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...
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...
Displaying 1 to 12 (of 12 products)
1 x Compact SCD450/4-1AC1 x Flanged Spigot - 400mm1 x CBS-80 Outlet Flange for CBT-801 x Helios AV150 External Wall Fan1 x Elta Unpodded Silencer 1D-800mm1 x Ducting 30 Degree Bend - 315mm1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 150mm1 x FSAF315B2DX Silencer 355/81 x Duct Fast Clamps - 150mm1 x GXC6EC - High Performance Extract Fan1 x FSAF355B1DX Silencer 395/81 x Elta Podded Silencer 2D- 710mm1 x Spiral end cap - 150mm1 x Circular Inline Silencers - 600mm - 600mm1 x Spiral Duct Grille Termination - 150mm1 x Ancillary Sealing Band - 150mm1 x FSAF355B2DX Silencer 395/81 x Anti Vibration Duct Suspension Rings - 150mm1 x Ducting 45 Degree Bend - 150mm1 x ASF 355-500 inlet flange DVS1 x FSD-TD 300 x 200 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM24-TF (SC)1 x ACO3/B Changeover Panel (Three Phase)1 x HRT/6-630/25-BPN1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x Spiral Ducting 3 Meters - 900mm1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x 110 x 54mm Short Rectangular to Round Adaptor male1 x Plastic Kitchen Extractors - CK40F1 x Ducting T Piece Equal - 355mm1 x Ducting 45 Degree Bend - 355mm2 x 100mm Round Wall Plate1 x Universal Pipe Fixing Clip1 x Jetflow-HIT Metal inline - 125mm1 x EBB-175 T DESIGN Centrifugal Extractor Fan1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x HRB/6-630-25-BPN1 x 100mm Wall Duct - 350mm1 x TCBT/4-710/H EXDIIBT4 ATEX1 x Anti Vibration Duct Suspension Rings - 355mm1 x Elta SLC1000/4B-3AC - IP551 x MD - Motor Protection Switch (3 Phase)1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x VBK 65 - Water heating battery1 x KVK SLIM 250 EC - Centrifugal Circular Duct Fan1 x Elta Qube SQU Centrifugal Box Fan - SQU1/4-3HT - Three Phase1 x Hydor HPA630/4-1A1 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x KVK Slim 315 - Low profile Semi Acoustic Box Fan1 x 110 x 54mm Short Rectangular to Round Adaptor Female1 x CBMT/Q 125-12 1 HEATER KIT1 x DV-ROF-V-225 Roof mounted unit1 x FSD-TD 316 Grade Stainless Steel Fire and Smoke Damper, 700mm x 700mm, EASY FIX AF, GALV Case, GALV Blades, PM230v1 x CBT-170 Centrifugal1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX560/4-3 Three Phase1 x 150mm Round 45 Degree Bend1 x Elta LC100N4-A6/381 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX710/4-3 Three Phase1 x HCFB/4-630mm plastic impeller plate fan1 x ACQ-25012D Acoustic Inline Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x Spigot plate - 900mm1 x 125mm Round Connector1 x Villavent BF VR700 E and DC STD Filter Kit1 x AC03TO-ADS-VFS-EN-9A (Three Phase)1 x 220x90mm to 160mm straight adapter1 x Elta SPA630/4-3EC - IP541 x 150mm Round Connector1 x Spiral Ducting 3 Meters - 400mm1 x FSD-TD 400 x 250 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x CBMT/Q 100-06 1 HEATER KIT1 x GR40I-ZID.DC.CR (186640/A01) - 230v Single Phase1 x Helios AV200 External Wall Fan1 x Helios AV125 External Wall Fan1 x HRFD 315/2 EX Atex Rated 315mm Cased Axial Fan 400v1 x Elta SLC1000/6A-3AC - IP55
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 ...