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 Impeller Side Guard - 400mm1 x CRBB/4-355/112D PRMI 230v1 x Elta SLC500/2B-3AC - IP551 x Helios HRFW 355/4 TK1 x CBB-100N Centrifugal1 x Purlin Box 350 for RAW Cowls1 x Spiral Duct Grille Termination - 250mm1 x Sentinel D-BOX 100S1 x KAD-355-F400 Rectangle Flexible Connector1 x 220x90mm 45 Degree Horizontal Bend1 x Ducting 90 Degree Bend - 200mm1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x 220x90mm Rectangular to 150mm Round Adaptor1 x Etaline 400mm -EC1 x Versio Square Ceiling Diffusers - RS141 x ZAC- 500 -4-11 x KABT High Temp Acoustic Kitchen Fan & Inverter Kit - KABT/4-6000/450 ND - Pack 31 x KVK Slim 100 - Low profile Semi Acoustic Box Fan1 x Soler & Palau - HCBB/6-400/H - IP651 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Soler & Palau - HCBT/6-355/H - IP651 x Speed Controller - REB101 x Raptor SDA560/46-3AC1 x Female Ducting Connector - 150mm1 x Dust Extractor - CMRT/4-902 22KW1 x EBM Papst - D2E133-DM27-D81 x Soler & Palau - HXBR/4-355/H - IP541 x Double Inlet Forward Curved Centrifugal Fans - FDA-225-C1 x Soler & Palau - HCBB/2-355/H - IP651 x Etaline 250mm - D2 01 3 Phase1 x Quietflow Twin SQTDCV500-1ECL1 x Electronic extractor fan speed controller - FSC 1.51 x Soler & Palau TCBB/4-560/H - IP651 x FGV 062/716-716 flex. conn.1 x Helios GigaBox 560mm GBW 560/4 centrifugal1 x Raptor SDA500/4-1AC1 x FM-150 Flexible Connector Sleeve - 150mm1 x Helios HQW-400/4 - IP551 x CVTT-7/7 0.18Kw Belt Driven Cabinet Fan1 x ZAC- 560 -4-31 x Raptor SDA350/4-1AC1 x MELL-USD 700 Rectangular to Circular Adaptor 150 Dia1 x Soler & Palau TCBT/4-500/H - IP651 x LAL 1000 D4 Mounting Flange1 x Duct Suspension Rings - 80mm1 x KAD-225-F400 Rectangle Flexible Connector1 x Elta Cased Axial Flange - 400mm1 x Elta SLC560-1EC -IE5 Motor- IP551 x HQD 355/4 Plate Axial Fan (4-pole)1 x CVTT- Belt Driven Cabinet Fan1 x Helios HQW-400/6 - IP551 x Ducting 90 Degree Bend - 355mm1 x AIR CONDITIONING UNIT -KYR25CO/AG (Floor Standing)1 x UB46- Universal Insulated Terminal1 x Elta SLC500/4A-1AC - IP551 x SLIMPAK 100 EC BOX FAN - 100mm Energy Efficient Acoustic Box Fan1 x Helios HQW-200/2 - IP551 x Female Ducting Connector - 100mm1 x Transformer (silent) speed controller - RE 7.0 Amp1 x AMD 355/2/2 High Pressure Long Cased Axial Fan1 x 125mm Insulated 45 Degree Bend1 x LINEO 315 QUIET1 x EBM PAPST - A2E250-AE65-02 Axial fan1 x Impeller Side Guard - 630mm1 x EM 200-E2M 01- Etamaster-2001 x Helios SB-125-C SilentBox Acoustic Inline Fan1 x Hydor HPA400/4-1A1 x Compact SCD500/4-3AC1 x Ancillary Sealing Band - 315mm1 x Impeller Side Guard - 315mm1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Vent Axia SABRE 500mm Cased Axial Fan (Three Phase)1 x HRB/2-200-BPN1 x Elta Standard Ambient Flexible Connector - 900mm1 x Elta SLC1000/4C-3AC - IP551 x U42K Screws for duct1 x Double Inlet Forward Curved Centrifugal Fans - FDA-250-C2 TWIN MODEL1 x Quietflow SQSDCV100-1ECL - Centrifugal Box Fan1 x Spiral Ducting 3 Meters - 500mm1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 630mm1 x 204x60mm Elbow Bend with 150mm Fixed Spigot1 x Elta Turboflow-TF - 500mm(A) - Three phase1 x Spiral Ducting 1 meter - 315mm1 x 220x90mm Mounting Clip (Individual)1 x High Temperature Flexible Connector - 063-800-PU2501 x Villavent VR 700 Belt - 1240mm1 x RUCK MTP 20, 10K, Speed control1 x Etamaster EM 200 EC 01 inline mix-vent fan1 x TCDH-EXD Atex roof mounted Series1 x Soler & Palau TCBT/6-500/H - IP651 x Soler & Palau HXM-200mm1 x Filter Box With F7 Grade Bag Filter - 250mm1 x Synthetic Air Filter Media - 15mm x 1000mm x 1000mm1 x Elta Standard Ambient Flexible Connector - 450mm1 x Spiral Ducting 3 Meters - 315mm1 x Ancillary Sealing Band - 200mm1 x FLEX CONNECTOR FOR MFQ-560 FAN1 x Speed Controller - REB1-N1 x Elta SLC630/4-1AC - IP551 x Helios SB-250-C SilentBox Acoustic Inline Fan1 x Spigot plate - 80mm1 x Singleflow SSDL315-1EC1 x Elta ACO Panel 149-ACO14E1 x Anti Vibration Duct Suspension Rings - 355mm1 x ACO8AC/EC AutoChangeover panel1 x EM30-24 Electro-Mechanical Control Panel1 x Soler & Palau - HCBT/4-1000/H-X - IP551 x 220x90mm Equal T Piece1 x Nicotra RDH E4-0450 (K)1 x Acopel F400-250/1601 x Ducting Y Piece - 355mm1 x Female Ducting Connector - 80mm1 x Commercial Activated Carbon Filters - Panel Type - 18" x 18" x 1 - ACP1 x AL 710 D4 mounting Feet (Pair)1 x Acopel F400-355/1601 x ACO-TK-ADS Auto Changeover Panel - Single Phase1 x LF24 Spring Return Actuator1 x Stainless Steel HU- Cowl - 100mm1 x 220x90mm 90 Degree Horizontal Bend1 x 110 x 54mm Flat Channel Clip (Pack Of 5)1 x Biflow SB315-CON2-3 - High Temperature Bifurcated Fan1 x Ancillary Pack for SB-Biflow 400 model1 x TTC-2000 Three phase electric heater controller1 x Elta Unpodded Silencer Melinex 2D-560mm1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT560/4-3AC
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 ...