• Model:DR-L

Ducting Reducers Long - 315mm

£ 23.11 (excl. VAT)

£ 27.73 (inc. VAT)

Long Reducers for 315mm 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

1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps2 x Electronic extractor fan speed controller - FSC 1.51 x EC6H - Reversible Group Fan Electronic Controller2 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x Airvent ceiling fan controller1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 4amps1 x COM-32 x AIRVENT speed control - AIR4019612 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A2 x Remote Timer Control - 13512 x Push Timer Switch - ZA42 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV2 x EM30-24 Electro-Mechanical Control Panel1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT2 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Silent 300 CZ Design PLUS Extractor Fan1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/632 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x Vent Axia ACM 125 inline mixed flow duct fan1 x 204x60mm Insulated Rectangular Horizontal 90° Bend1 x Duct Termination with Mesh - 450mm2 x 125mm Round Connector with Damper1 x Universal Pipe Fixing Clip1 x D2E-146-AP47-751 x Small Centrifugal Fans CBM/2-133/190 185w1 x EBM-Papst D3G133-BF05-14 Double inlet2 x 110 x 54mm Short Rectangular to Round Adaptor male1 x Economy Airvent 100mm Fan with Timer1 x D2E146-AP47-331 x DV-ROF-V-225 Roof mounted unit1 x G2E160−AL19−56 FLUE FAN1 x REB Ecowatt Speed Control - REB-ECO1 x Small Centrifugal Fan - CBM/4-180/184-150 W1 x Manrose Window Extractor - WF150AP1 x Helios DDF-200 Roof Cowl1 x D2E146-AP47-C11 x Manrose T12 STANDARD Transformer- T12S1 x Small Centrifugal Fans CBM/2-146/180-300 W1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x 18M - 80mm PVC flexible ducting1 x ME04F063LC1AF1 x Manrose 150mm - XF150BP2 x EBM-Papst D2E097-BK76-98 Double inlet1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x Control board kit Smarty 4X P 1.1 F2 Fan 230V1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Helios DDF-315 Roof Cowl1 x Roof Axial Cowl - RAW8001 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x Helios AV125 External Wall Fan1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x CTVT/4-400 High Temp Roof Fan - 51369260001 x CRBB/3-160/052M EC 1H0 MP - Radial Impeller - 160mm1 x Manrose XF100HTLVT- Clearance2 x Flat Roof Terminal -OFT 5 - Asphalt1 x AL 500 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x HQS Bathroom Axial Flow Fan - 125mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x Helios DDF-400 G Roof Cowl (GREY)1 x Economy Airvent 100mm Fan with Timer & Shutter1 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan1 x Capacitor 2uf for use with the EBM A4E range1 x W2S130-AA03-011 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan2 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x LF-ME04F071LC3AC1 x RCZ 300 - Fibreglass Roof Cowl1 x Silent 100 CZ Design 12V Ecowatt + CT-12/162 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Helios VDS-7 Three Phase Transformer 5-Step1 x FRQ5-4A V2 Inverter Speed Controller2 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Frequency converter RUCK - FU 075 211 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 10amps1 x Vent Axia ACM 150 inline mixed flow duct fan1 x EFSC-3N- Single Phase Speed Control1 x EFSC-6N- Single Phase Speed Control1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios TSW 7.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-8TK1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-10TK1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Vent Axia ACM 100 inline mixed flow duct fan1 x CS2 Current Switch1 x DEF-140T Inlet Guard for the CBT-100N1 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x TG-K Duct temperature sensor1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x BEAS-control module1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Two Speed Switch - REGUL-21 x MWS 1.5 – Transformer Controller With Motor Protection1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x WS - Reversing Switch from Helios Fans1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Speed Controller - REB51 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Transformer (silent) speed controller - RE 5.0 Amp1 x Transformer speed controller - ATC1 - 1.5 Amps1 x REB-CVF 0-10v Controller1 x Transformer Speed Control - RTRE- 7.0Amp1 x REE-2 Electronic Speed Controller1 x Speed Controller - REB1-N1 x MTP 10, 10K, Speed control1 x Transformer Speed Control - RTRE- 5.0Amp1 x PIR Sensor - PIR21 x Silent 100 Window Kit - windowS1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Vent Axia Silent 100T (TIMER)1 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer Speed Control - RTRE- 1.5Amp1 x MTS10- extractor fan 3 step switch1 x Elta Louvre Shutter - 400mm1 x QPTW 250C Acoustic Twin Fan with Controller1 x DDMP 12-12 3F 1810W M6A4 DG01 x Speed Controller - REB11 x UB47- Universal Insulated Terminal1 x PIR Sensor - PIR41 x Elta 3 Amp Electronic single phase speed controller.1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x DDMP 09/09 Mounting Flange1 x 204x60mm Insulated Rectangular Horizontal 45° Bend1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x VTR 300 STD Filter Kit1 x Mini Diffuser - 100mm1 x Speed Controller - REB2.5-N1 x DEF-CBM-RE-7 - Protection Guard1 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x EBM-Papst D4E225-BC01-17 Double inlet1 x Compact SCD450/4-1AC1 x KBA- inlet mounting flange for CRMT 2501 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x CBT-100N Centrifugal1 x SAVE VSR 300 heat recovery unit1 x KBA- inlet mounting flange for CRMT 2251 x Contactor Interface Station - CI91 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x CFI In-line 425 - Carbon Filter1 x Silentub - STUB 1001 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x ACO8AC/EC AutoChangeover panel1 x CO2 Room Sensor - CO2-R1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x SPI-100 C Iris damper1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x CSB-60 Centrifugal fan1 x CBA-100 Inlet Flange for CBT-1001 x Round ceiling diffuser 250mm1 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x 100mm Round Connector with Damper1 x Elta SCP400/4-1AC - IP551 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x Binks Bullows - Spray Booth Filter1 x ACO3TO-ADS-VFC-7.1A1 x Duct Termination with Mesh - 150mm1 x CBS-100 Outlet Flange for CBT-1001 x IR24-P - Presence detector1 x DDMP 10-10 1F 1000W M6A2 DA51 x CBT-80N Centrifugal1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x CBB-60N Centrifugal1 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit1 x DDMP 07/07 Mounting Flange1 x RUCK MTP 20, 10K, Speed control1 x DPD 12PM Delivery Surcharge1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR1 x Duct Termination with Mesh - 250mm1 x Duct Termination with Mesh - 400mm1 x RTRD - Three Phase Speed Controller - 2 Amp1 x RTRD - Three Phase Speed Controller - 4 Amp1 x EC Trickle and boost module - IP561 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x CBM 7/7 147w 4P RE-VR1 x Vent Axia T-Series Wall Model TX9WL1 x Elta SCP500/4-1AC - IP551 x SDD-U Anti Vibration Pads1 x ADH E0-250 Flange - 0250 ADHE/RDHE1 x Vortice Quadro Micro 100 IT HCS - Humidistat/Timer Version1 x SPI-200 C Iris damper1 x MV-Silent 350 Bathroom Extractor Fan Kit - Timer1 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x ADH E0-450 Flange - 0450 ADHE/RDHE1 x Duct Termination with Mesh - 200mm1 x ELM 18 EX Flexible Cuff for ERM 181 x DDMP 10-08 FLANGE1 x CBT-100N Centrifugal ATEX II 2G Exe II T31 x CBS-130 Outlet Flange for CBT-1301 x MEV300/160 Wireless Boost Switch - SWHWMEV1 x Duct Termination with Mesh - 560mm1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Biflow SB315-CON4-1 - High Temperature Bifurcated Fan1 x Dektite Combo Pipe Flashing - DC210REC1 x Duct Termination with Mesh - 315mm1 x DDMP 09/07 Mounting Flange1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x KRJ - 120 Inlet Guard for CBB/CBT fans1 x 220x90mm x 1m Insulated Rectangular Duct1 x CAD-COMPACT 500 ADVANCED N8 - MVHR unit1 x Vent Axia W300310 Controller Electronic 1.5A1 x Spiral end cap - 80mm1 x CBP-9/7-RC1 x FAST-TRACK RANGE 75mm - Seal Ring (1 bag of 10)1 x 204 x 60mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x Elta SLC560/4C-3AC - IP551 x Nicotra RDH G2E7-04501 x Elta SLC500/4B-1AC - IP551 x JPA-1100 Accessory Adapter Plate1 x 220 x 90mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x Chaysol DA 9/9 3 speed1 x Flanged Damper 019-0560-STD1 x Elta SCP315/4-1AC - IP551 x 204x60mm x 1m Insulated Rectangular Duct1 x MEV Spider Additional Spigots1 x Direct Delivery Surcharge1 x Elta Skyflow SSRL710-1EC1 x RUCK MTP 30, Stepped Speed control1 x Elta Standard Ambient Flexible Connector - 800mm1 x Atex Inline Fan 180mm - ERM18EXE1 x Elta SCP450/4-1AC - IP551 x Air Quality Sensor - AQS1 x Elta SCP500/4-3AC - IP551 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x DDMP 12-09 FLANGE1 x RDH Flange - 04001 x Contra Rotating TCBBx2-630 Cased Axial - Single Phase - IP65 - Soler & Palau1 x Elta Turboflow-TF - 630mm - Three phase1 x Elta SCP350/4-1AC - IP551 x TD ECOWATT 2000/315 Inline Duct Fan - TD-ECOWATT1 x 220 x 90mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x Elta Standard Ambient Flexible Connector - 450mm1 x Purlin Box 630/710 for RAW Cowls1 x Ancillary Pack for SB-Biflow 250 model1 x CFI Lite 600 Carbon Filter1 x RD31S-4EW.6Q.AL - 122296 (Single Phase)1 x KRJ - 160 Inlet Guard for CBB/CBT fans1 x DDMP 07-07 1F 1100W M6AO DA51 x Chaysol DA 7/7 NT (V600002)1 x Impeller Side Guard - 800mm1 x CBM 7/9 4p 300W RE-VR1 x JETLINE-100 ECOWATT - In Line Centrifugal Duct Fan1 x Jetflow Silent SJMF-S 200-1EC1 x Chaysol da 9-7 - 3 Speed1 x FlameProof Plate Axial Fan - Single Phase - 12 inches - Eexd IIC T4 -4pole1 x Spiral Ducting 1 meter - 355mm1 x CBT-170 Centrifugal1 x 220x90mm Insulated Rectangular T-Piece1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX400/2-3 Three Phase1 x D2E146-HT67-021 x DDMP 10-10 FLANGE
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
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 ...