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
£ 487.61
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...
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...
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...
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...
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...
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 B-flow Impeller HCBB/T-355mm1 x KRJ - 120 Inlet Guard for CBB/CBT fans1 x AKOR Mounting Plate for GD model(VIM166423)1 x CBS-80 Outlet Flange for CBT-801 x Plastic Kitchen Extractors - CK25N1 x BDS 800 RA b/d shutter1 x Purlin Box 1000 for RAW Cowls1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x AKOR GD - Spare Motor1 x ISA-ILHT-500/560/630 - Anti-vibration mounts1 x 220x90mm to 204x60mm Rectangular Adapter1 x Ducting 45 Degree Bend - 355mm1 x B-flow Impeller HCBB/T-560mm1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Access Door for Circular Duct - 300 x 200 - SIZE 351 x Ancillary Pack for SLC-900 for SLC900/4B-3AC1 x Helios GigaBox 400mm GBW 400/4 centrifugal1 x Circ.connection-125 fo EX-140 ATEX unit1 x CBMT/Q 315-90 3 HEATER KIT1 x GB-WSD 355 Weather Protection hood for the Giga-Box Fans - 355mm2 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x Elta ACO Panel 149-ACO14E1 x Access Door 450mm x 450mm1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Ancillary Pack for SLC-4001 x CTI CVA-N 250/315 Outdoor cover for CVAB/T Fans1 x CBM 7/9 6p 72W RE-VR1 x Atex Motor Protection Switch - U-EK230E EX1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x Elta Cased Axial Flange - 450mm1 x KRJ - 250 Inlet Guard1 x Elta Cased Axial Flange - 315mm1 x CBMT/Q 315-120 3 HEATER KIT1 x DEF-900AN1 x DT-1 Duct Mounted Thermostat1 x FSAF1000C1DA SILENCER 1070/161 x Soler & Palau - HXTR/4-250/H - IP441 x FSAF500FTX 500 mounting feet (Pair)1 x CBMT/Q 315-30 1 HEATER KIT1 x Round ceiling diffuser 250mm1 x CBMT/Q 150-15 1 HEATER KIT1 x Ducting 90 Degree Bend - 125mm1 x KVK Slim 400 - Low profile Semi Acoustic Box Fan1 x ELS-GU Flush Mounted Casing1 x Acopel F400-250/1601 x NKS-D swirl diffuser v-300 x 300mm1 x GB-WSD 250 Weather Protection hood for the Giga-Box Fans - 250mm1 x Acoustic MiniBox Fan - MINI-BOX 2001 x Duct Termination with Mesh - 150mm1 x CBMT/Q 150-27 1 HEATER KIT1 x B-flow Impeller HCBB/T-450mm1 x Helios GigaBox 315mm GBW 315/4 centrifugal1 x IP65 Remote Speed Adjustment Station1 x Soler & Palau - HCBT/4-710/H - IP651 x Blast Gate (Manual) 125mm1 x Elta Standard Ambient Flexible Connector - 400mm1 x SS Series Slimseal 800mmx800mm Damper1 x Circular Ceiling Diffuser - TST 1001 x Dektite Combo Pipe Flashing - DC210REC1 x VBK 65 - Water heating battery1 x Acopel F400-630/1601 x 220x90mm Equal T Piece1 x Duct Fast Clamps - 100mm1 x Ducting 90 Degree Bend - 300mm2 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-3AC - Three Phase1 x 110 x 54mm Equal Horizontal T-Piece2 x Spiral Ducting 1 meter - 180mm1 x Blast Gate (Manual) 180mm1 x DEF-1000-AN1 x Impeller Side Guard - 400mm2 x Soler & Palau - HCBB/6-355/H - IP651 x DV-ROF-V-315 Roof mounted unit1 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x Bell Mouth Inlet for Elta cased fans - 800mm1 x Helios HQW-500/4 - IP551 x Access Door for Circular Duct - 300 x 200 - SIZE 501 x CADB/T-HE 54 ECOWATT Series1 x Elta Unpodded Silencer Melinex 2D-560mm1 x AIRVENT speed control - AIR4019611 x 100mm Round 45 Degree Bend1 x Acoustic Box Fans (Inline) - CAB-315 RE1 x Elta Unpodded Silencer Melinex 1D-560mm2 x CADB/T-HE PRO-REG Series1 x Elta Podded Silencer 1D- 710mm1 x Acoustic Box Fans (Inline) - CAB-1252 x Spiral end cap - 150mm1 x Spiral Ducting 1 meter - 100mm2 x PRIO-160 160mm Inline Mixvent Fan2 x Temperature Fan Speed Controller - ATCP4-FLS2 x Anti Vibration Duct Suspension Rings - 125mm1 x Spiral Ducting 3 Meters - 160mm1 x Elta Variable Speed Drive IP66 - 7.5KW2 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x TD4000 Mixvent - 355mm1 x TD Mixvent 1100/250 EEXEIIT31 x Elta 10 Amp Electronic single phase speed controller.1 x Etaline Max-Fan - 315mm - E2 011 x Belt Drive Cased Axial Fan - 710mm - H version1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Viper SCC Duct Mounted Centrifugal Fan - SCC560-1AC1 x Nicotra Direct Delivery Surcharge1 x Soler & Palau - HCBB/6-560/H - IP651 x Elta Wall Cowl SWC56/631 x Elta SLC800/4B-3AC - IP551 x Soler & Palau HXM-400mm1 x Soler & Palau TCBB/4-400/H - IP441 x Duct Mounted Filter Box - G4 Grade Panel - 200mm1 x Ancillary Pack for SB-CYL 500 model1 x KRJ - 160 Inlet Guard for CBB/CBT fans1 x Elta SLC315-1EC -IE5 Motor- IP551 x Duct Suspension Rings - 250mm1 x Ducting Y Piece - 100mm1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x Flexible PVC Ducting - 220x901 x Transformer 5 Speed Controller - ATC1-12TK1 x Soler & Palau - HCBT/2-315/H - IP651 x TD1300 Mixvent - 250mm1 x Acopel F400-450/1601 x Ducting 45 Degree Bend - 150mm1 x Direct Saturday Delivery Surcharge1 x HCFT/4-5001 x TTT/4-560/L N 0,75KW (230/400V50HZ)EXEIIT3 VE Atex Unit1 x Elta SLC500-1EC -IE5 Motor- IP551 x Ancillary Pack for SLC-800 for SLC800/6A-3AC1 x Ducting 90 Degree Bend - 710mm1 x Elta SPA630/6-1AC - IP541 x Elta SCP250/4-1AC - IP551 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x ZAP 710-61 Plate axial fan1 x Belt Drive Cased Axial Fan - 450mm - L version1 x KABT High Temp Acoustic Kitchen Fan & Inverter Kit - KABT/4-12000/560 ND - Pack 51 x Elta Quietflow Twin SQT400-1ECL1 x CAB-160 ECOWATT Energy Efficient Acoustic Box Fan1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x AMD 355/2/2 High Pressure Long Cased Axial Fan1 x 1mtr Round Ducting - 125mm1 x Digital Room Thermostat - DRT1 x Belt Drive Cased Axial Fan - 560mm - L version1 x Rosenberg RS-315M.3EF Centrifugal Inline Fan1 x CBM 10/10 4 Pole 550watt RE VR (3 Phase)1 x Helios DDF-400 Roof Cowl1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HW1 x Ducting T Piece Equal - 200mm1 x Soler & Palau - HXBR/4-450/H - IP541 x Ducting 90 Degree Bend - 315mm1 x Elta Cased Axial Flange - 400mm1 x RUCK MTP 20, 10K, Speed control1 x ELTA - Single Phase Transformer 4amps1 x Control switch - CR1501 x CC-314 M Cased Axial Fan (Single Phase)1 x Soler & Palau - Contra Rotating TCBTx2-560 - IP651 x Helios HQW-250/2 - IP551 x Elta Wall Cowl SWC25/311 x HRT/6-630/35-BZ E111 x Ducting 90 Degree Bend - 150mm1 x CS2 Current Switch1 x Singleflow SSDL150-1EC1 x Raptor SDA560/46-3AC1 x TD-SILENT 2000/3151 x Spigot plate - 125mm1 x ERR 31/1 Centrifugal inline fan1 x Soler & Palau - HCBT/6-710/H - IP651 x CONTROL ECOWATT - Basic1 x Elta Qube SQU Centrifugal Box Fan - SQU1/4-3 - Three Phase1 x Ducting T Piece Equal - 315mm1 x Soler & Palau HXM-250mm1 x HR200WK single room heat recovery unit1 x Spiral Ducting 3 Meters - 800mm1 x Differential Pressure Switch - 200 - 1000 Pa - IP541 x DV-ROF-V-225 Roof mounted unit1 x Airvent ceiling fan controller1 x Etaline 630mm - D4 01 3 Phase1 x Soler & Palau - HCBB/6-500/H - IP651 x GEO Ground Source Heat Exchanger1 x KVK SLIM 400 EC - Centrifugal Circular Duct Fan1 x 100mm Round Connector1 x Acoustic Box Fans (Inline) - CAB-1001 x TD Mixvent Twin Base Kit - 8001 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX560/4-3 Three Phase
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 ...