400mm Duct

400mm Duct Acoustic Fans

Displaying 1 to 7 (of 7 products)
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 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...
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...
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...
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...
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...
Displaying 1 to 7 (of 7 products)
1 x Soler & Palau TCBT/6-630/L - IP651 x Helios ZNE Electronic Fan Overrun Timer1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 8amps1 x Elta SLC500-1EC -IE5 Motor- IP551 x 7 Day Programmable TIMECLOCK1 x ELTA - Single Phase Transformer 4amps1 x ASSG/F 500-560 Flex. conn. DVG1 x Helios HQW-450/4 - IP551 x Helios HRFW 355/2 TK1 x Soler & Palau - HCBB/6-450/H - IP651 x Carriage1 x Belt Drive Cased Axial Fan - 630mm - L version1 x Duct Mounted Filter Box - G4 Grade Panel - 125mm1 x Elta SLC355/4-3AC - IP551 x Elta Standard Ambient Flexible Connector - 1000mm1 x Speed Controller - REB51 x Raptor SDA500/46-3AC1 x JETLINE-125 - In Line Centrifugal Duct Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-1AC - Single Phase1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Elta SLC630/4-1AC - IP551 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x AL 355 D2 01 - High Performance Long Cased Axial Fan1 x Soler & Palau - HXBR/4-630/H - IP541 x FedEx TEN AM delivery Surcharge1 x Raptor SDA500/4-3EC1 x Elta Turboflow-TF - 630mm - Three phase1 x Soler & Palau TCBT/6-630/H - IP651 x Curved Blade Grille 600x600 (2way blow)1 x Elta EC Electronic Controller1 x Spiral Ducting 3 Meters - 180mm1 x Direct Delivery Surcharge1 x NKS-D swirl diffuser v-300 x 300mm1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - Three Phase1 x Soler & Palau TCBT/4-630/H - IP651 x B-flow Impeller HCBB/T-450mm1 x Soler & Palau - Contra Rotating TCBTx2-500 - IP651 x Helios SB EC 125 A SilentBox Centrifugal Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-3AC - 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 ...