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...
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...
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...
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...
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...
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...
Displaying 1 to 7 (of 7 products)
1 x Helios GigaBox 500mm GBW 500/4 centrifugal1 x Onda Cristal 900 Kitchen Extractor Hood1 x Desk fan 9 inch - SFG91 x Curved boot - 900mm1 x 100mm Round 45 Degree Bend1 x 100mm Round Wall Plate1 x Duct Quick Suspension Rings with Clasp - 250mm1 x Spiral Ducting 1 meter - 80mm1 x Dektite Combo Pipe Flashing - DC210REC1 x Spigot plate - 80mm1 x ELS Plasterboard Adaptor1 x ELS-GU Flush Mounted Casing1 x FSAF500FTX 500 mounting feet (Pair)1 x Spiral Duct Grille Termination - 80mm1 x DA7/9 Feet1 x KVK SLIM 200 EC - Centrifugal Circular Duct Fan1 x Ducting 15 Degree Bend - 250mm1 x FSAF450FTX 450 mounting feet (Pair)1 x MFA-AR/AXC 315 mounting foot1 x AL 315 Mounting Feet (Pair)1 x 100mm Round 90 Degree Bend1 x GB-WSD 355 Weather Protection hood for the Giga-Box Fans - 355mm1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x Spiral Ducting 3 Meters - 1000mm1 x GB-WSD 450 Weather Protection hood for the Giga-Box Fans - 450mm1 x Soler & Palau - HXTR/4-250/H - IP441 x Helios HQW-250/2 - IP551 x HPA Heavy Duty Flexible Ducting1 x FAST-TRACK RANGE 90mm - Semi-Rigid Duct 50M1 x Helios HQW-250/4 - IP551 x Soler & Palau - HCBB/6-450/H - IP651 x Circular Ceiling Diffuser - TST 2001 x Helios HQW-450/4 - IP551 x B-flow Impeller HCBB/T-355mm1 x SD-MUB Vibration pad set1 x Soler & Palau - HXBR/4-250/H - IP441 x CTI CVA-N 355/400 OUTDOOR COVER for CVAB/T Fans1 x FSD-TD 350mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x 7 Day Programmable TIMECLOCK1 x GB-WSG 450 External Weather Louvers for the Giga-Box Fans - 450mm1 x Soler & Palau - HXBR-250 ECOWATT - IP441 x Time Delay Unit - DT20B1 x Elta SPA250/2-1AC - IP441 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm1 x GB-WSG 355 External Weather Louvers for the Giga-Box Fans - 355mm1 x HCFT/4-450mm plastic impeller plate fan1 x ECS25/400 ECS25/400 SPRING A/V MOUNT1 x EBB-175 S DESIGN Centrifugal Extractor Fan1 x Helios ZNE Electronic Fan Overrun Timer1 x *NEW* TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Run On Timer - 5s - 4hrs - RT5A1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Elta SCP250-1EC - IP551 x HRB/4-450-30-APN1 x EM 315-E2M 01- Etamaster-315
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 ...