400mm Duct

400mm Duct Acoustic Fans

Displaying 1 to 7 (of 7 products)
Acoustic Box Fans (Inline) - CAB-400 RE
Acoustic Box Fans (Inline) - CAB-400 RE
£ 890.40
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...
CAB-400 ECOWATT  Energy Efficient Acoustic Box Fan
CAB-400 ECOWATT Energy Efficient Acoustic Box Fan
£ 2,354.12
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...
KVK Slim 400 - Low profile Semi Acoustic Box Fan
KVK Slim 400 - Low profile Semi Acoustic Box Fan
£ 1,189.57
• 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 400 EC - Centrifugal Circular Duct Fan
KVK SLIM 400 EC - Centrifugal Circular Duct Fan
£ 1,733.89
KVK SLIM 400 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 SQS400-1ECL - Centrifugal Box Fan
Quietflow SQS400-1ECL - Centrifugal Box Fan
£ 2,135.20
Quietflow SQS400-1ECL - Centrifugal Box Fan • Standard size 400 mm • Air volume flow rates up to 1.051 m3/s • Static pressures up to 839 Pa • Suitable for operating temperatures up to +6...
Quietflow SQSDCV400-1ECL - Centrifugal Box Fan
Quietflow SQSDCV400-1ECL - Centrifugal Box Fan
£ 2,675.01
Quietflow SQSDCV400-1ECL - Centrifugal Box Fan • Standard size 400 mm • Air volume flow rates up to 1.051 m3/s • Static pressures up to 839 Pa • Suitable for operating temperatures up to...
Singleflow SSDL400-1EC
Singleflow SSDL400-1EC
£ 1,918.80
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...
Displaying 1 to 7 (of 7 products)
1 x TX12RF Roof Fan1 x Vertical Cowl and Fan(Three Phase) - RAV4501 x DVV 800D4-6-XS/F400 smoke ext1 x ELTA - Single Phase Transformer 8amps1 x DVV 800D4-XL/F400 smoke extr1 x TX9RF Roof Fan1 x HQS Bathroom Axial Flow Fan - 125mm1 x Elta SCP710/6/8-3AC - IP551 x CRHB-250N Ecowatt - Energy Efficient Roof Fan1 x TFSR 200 M Grey Centrifugal Roof Fan1 x CRHT/4-450 N Roof mounted Fan - Horizontal discharge1 x TFSR 125 M Red Centrifugal Roof Fan1 x 125mm - 150mm Round Reducer1 x Elta Skyflow SSRL630-1EC1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT400/4-3AC1 x Ducting 45 Degree Bend - 315mm1 x Elta Skyflow SSRL560-1EC1 x TFSR 315 Sileo Grey Centrifugal Roof Fan1 x Kitchen Extract Grille with Grease Filter and External Wall Fan1 x Electronic extractor fan speed controller - FSC 1.51 x DVG-H 315D4 - Smoke extract roof unit1 x Spigot plate - 200mm1 x CTVT/4-450 High Temp Roof Fan - 51360758001 x Additional Delivery Surcharge1 x RTRD - Three Phase Speed Controller - 2 Amp1 x Female Ducting Connector - 200mm1 x CTVB/4-200 Kitchen/High Temp Roof Fan1 x Spiral Ducting 1 meter - 250mm1 x Ducting 90 Degree Bend - 250mm1 x DHS 400E4 roof fan1 x Soaker Sheet to suit RA630/7101 x CRHT/4-400 N Roof mounted Fan - Horizontal discharge1 x Digital Room Thermostat - DRT1 x CRHT/4-500 N Roof mounted Fan - Horizontal discharge1 x DHS 500DV roof fan1 x Soaker Sheet to suit RA10001 x GXC6EC - High Performance Extract Fan1 x 100mm Round 90 Degree Bend1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - 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 ...