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 125mm Insulated 90 Degree Bend1 x 220x90mm x 2m Insulated Rectangular Duct1 x Acoustic MiniBox Fan - MINI-BOX 1501 x CBMT/Q 100-06 1 HEATER KIT1 x Female Ducting Connector - 200mm1 x Jetflow-HIT Metal inline - 150mm1 x Venturia Whole House Ventilation1 x HEATER BATTERY+CONTROLS 315 DIA 1 PHASE 4/8kW1 x EBM Papst W3G630-GG97-011 x Lo-Carbon PUREAIR HOME WITH HEATER BOXED ASSY1 x EVL Filter G4 grade for PIV units1 x MEV Spider Additional Spigots1 x External weather louvre Rectangular in RAL 9010 - 1200w x 800h - WL501 x 220x90mm Elbow Plenum with 160mm Spigot1 x Flanged Spigot - 200mm1 x Elta Turboflow-TF - 630mm - Single phase1 x CBMT/Q 250-30 1 HEATER KIT1 x Elta Wall Cowl SWC45/501 x HCFB/4-630mm plastic impeller plate fan1 x Elta SLC630/4B-3AC - IP551 x Easy-fix termination kit - High Rise Ventilator - EFT1 x HRT/6-630/35-BZ E111 x Acoustic Box Fans (Inline) - CAB-1501 x LC040K2-A5/28 Long-Cased Axial - 400mm1 x CBMT/Q 315-120 3 HEATER KIT1 x CC-ATEX 404 B M Short Cased Axial Fan1 x DA 18/18 Feet1 x FSD-TD 350 x 350 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x MPS Weather Housing1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX630/4-3 Three Phase1 x CTI CVA-N 355/400 OUTDOOR COVER for CVAB/T Fans1 x Three Phase ATEX Compact axial fan - 315mm - compactATEC41 x *NEW* TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Duct Suspension Rings - 400mm1 x JETLINE-315 - In Line Centrifugal Duct Fan1 x Acoustic Box Fans (Inline) - CAB-400 RE1 x Elta Qube SQU Centrifugal Box Fan - SQU23/4-3HTS - Three Phase1 x Etaline 355mm E4 011 x Etaline 355mm - E2-011 x Bellimo TF24S Actuator 24V
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 ...