• Model:DR-L

Ducting Reducers Long - 450mm

£ 31.56 (excl. VAT)

£ 37.87 (inc. VAT)

Long Reducers for 450mm spiral ducting.
Provides two male fittings to insert into spiral.

Select size below.

Please note these are for reducing and fitting inside ducting.
To mount directly onto a fan spigot or other 'male' fitting you will need a Female ducting connector.

Available Options

3 x Elta 3 Amp Electronic single phase speed controller with TK2 x Transformer Speed Control - RTRE- 5.0Amp2 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Helios HQW-200/2 - IP551 x Elta 6 Amp Electronic single phase speed controller with TK1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x UB47- Universal Insulated Terminal2 x Elta 6 Amp Electronic single phase speed controller.2 x Helios ESA-1 Surface mounted Speed Control 1amp1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x DPD 12PM Delivery Surcharge1 x RDH Flange - 04001 x MWS 1.5 – Transformer Controller With Motor Protection2 x Transformer (silent) speed controller - RE 1.5 Amp1 x Silent 100 Window Kit - windowS1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Speed Controller - REB11 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x AIRVENT speed control - AIR4019611 x Elta SCP400/4-1AC - IP551 x ACOAS/ AC/EC Auto Changeover 8Amp1 x EC6H - Reversible Group Fan Electronic Controller1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Transformer (silent) speed controller - RE 3.0 Amp1 x WS - Reversing Switch from Helios Fans1 x REB-CVF 0-10v Controller1 x Speed Controller - REB1-N1 x Transformer Speed Control - RTRE- 3.0Amp1 x CBT-100N Centrifugal1 x EBM-Papst D4E225-BC01-17 Double inlet1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x ELTA - Single Phase Transformer 2amps1 x RDH Flange - 02501 x Multi Input Run On Timer - 0 - 20min - CFCU1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x PM230-TF, AC 230V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse1 x Temperature Fan Speed Controller - ATCP4-FLS1 x Isolator Switch - ISOSW1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x TEM 035 - 5 Speed Transformer Speed Control1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Speed Controller - REB32 x Airvent ceiling fan controller1 x DDMP 12-12 3F 1810W M6A4 DG01 x Vent Axia Silent 100T (TIMER)1 x Helios HQW-250/4 - IP551 x Transformer Speed Control - RTRE- 1.5Amp1 x Duct Termination with Mesh - 710mm1 x Silentub - STUB 1001 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Vent Axia T-Series Wall Model TX9WL1 x ELTA - Single Phase Transformer 8amps1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x ELTA - Single Phase Transformer 4amps1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Run On Timer - 5s - 4hrs - RT5A1 x Remote Timer Control - 13511 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x MTS10- extractor fan 3 step switch1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Wall Cowl SWC25/311 x Duct Termination with Mesh - 355mm1 x Elta Wall Cowl SWC45/501 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x CO2 Room Sensor - CO2-R1 x Single Deflection Grille 400mm with OBD damper1 x Contactor Interface Station - CI91 x Duct Termination with Mesh - 450mm1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Mini Diffuser - 100mm1 x Comefri - TLZ 225 R - High Performance Scroll Fan1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Spiral Ducting 1 meter - 200mm1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Universal Pipe Fixing Clip1 x HXP450/6-1 - 6 Pole - Single Phase1 x KBA- Inlet Mounting 1801 x 220x90mm x 1m Insulated Rectangular Duct1 x 125mm Round Connector with Damper1 x RDH Flange - 0315
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...