• Model:DR-L

Ducting Reducers Long - 250mm

£ 25.99 (excl. VAT)

£ 31.19 (inc. VAT)

Long Reducers for 250mm 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 Single Deflection Grille 400mm with OBD damper1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3004 x Mini Diffuser - 100mm1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3004 x Transformer 5 Speed Controller - ATC1-2TK3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans6 x Transformer 5 Speed Controller - ATC1-4TK5 x Systemair Save Connect 2.0 Internet Module5 x Helios TSW 1.5 Amp Transformer speed controller5 x Vent Axia ACM 100 inline mixed flow duct fan2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x Helios HQW-200/2 - IP552 x Elta 6 Amp Electronic single phase speed controller with TK2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Speed Controller - REB32 x Airvent ceiling fan controller3 x WS - Reversing Switch from Helios Fans1 x TTC-2000 Three phase electric heater controller5 x Transformer (silent) speed controller - RE 1.5 Amp6 x ACOAS/ AC/EC Auto Changeover 8Amp4 x ACO8AC/EC AutoChangeover panel5 x Transformer (silent) speed controller - RE 3.0 Amp3 x Multileaf Volume Control Dampers -500/500 Rectangular Flanged1 x Elta ACO Panel 149-ACO14E4 x REB-CVF 0-10v Controller1 x CONTROL ECOWATT - Basic2 x EM30-24 Electro-Mechanical Control Panel4 x Electronic extractor fan speed controller - FSC 1.51 x EC-Vent control board5 x Speed Controller - REB1-N1 x Elta ACO Panel 149-ACO18B1 x ACO 149-ACO1/EDV4 x MTP 10, 10K, Speed control1 x EC-Vent Room Unit3 x EM30-24 Control Panel Commissioning Service4 x PIR Sensor - PIR45 x UB47- Universal Insulated Terminal3 x Vent Axia Silent 100T (TIMER)2 x Elta Variable Speed Drive IP66 - 4.0KW2 x Elta 3 Amp Electronic single phase speed controller.4 x Speed Controller - REB2.5-N4 x Transformer Speed Control - RTRE- 1.5Amp3 x Elta - Room Sensor - Temp/Humid/C021 x FRQ-10A V2 Inverter Speed controller3 x Speed Controller - REB162 x GENIOX 11 Internal Mounted Unit4 x Helios RR-250-C Centrifugal inline fan5 x Helios ESA-1 Surface mounted Speed Control 1amp4 x Duct Termination with Mesh - 450mm5 x Duct Termination with Mesh - 150mm1 x TD160-NT Mixvent - 100mm - TD160 Timer4 x DEF-140T Inlet Guard for the CBT-100N3 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit4 x RUCK MTP 20, 10K, Speed control2 x GENIOX 11 Roof Mounted External Unit3 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)3 x Spiral Ducting 1 meter - 200mm3 x CS2 Current Switch1 x Temperature Fan Speed Controller - ATCP4-FLS1 x EC6H - Reversible Group Fan Electronic Controller4 x Elta Variable Speed Drive IP66 - 2.2KW2 x Transformer Speed Control - RTRE- 5.0Amp3 x Elta 6 Amp Electronic single phase speed controller.3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan3 x Elta SCP500/4-1AC - IP552 x CAD-COMPACT 500 ADVANCED N8 - MVHR unit3 x Elta SLC500/4B-1AC - IP551 x Spare filter for Energi Sava 380 HR unit3 x ELTA - Single Phase Transformer 8amps2 x 204x60mm Rectangular to 100mm Round Adaptor1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x D2E-146-AP47-753 x Run On Timer - 5s - 4hrs - RT5A2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-45 x Multi Input Run On Timer - 0 - 20min - CFCU5 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan5 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller3 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost5 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost3 x Vent Axia ACM 150 inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios TSW 0.3Amp Compact Transformer speed controller4 x Vent Axia ACM 125 inline mixed flow duct fan2 x MV-B Dual Switch for use with Helios HQW plate fans,4 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT4 x Isolator Switch - ISOSW2 x TG-K Duct temperature sensor3 x MWS 3 – Transformer Controller With Motor Protection2 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp3 x 7 Day Programmable TIMECLOCK4 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)4 x Elta 3 Amp Electronic single phase speed controller with TK2 x Envirovent G4 Filter - SL-G4/F75 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT4 x Speed Controller - REB54 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x ERR 20/1 Centrifugal inline fan1 x Elta 10 Amp Electronic single phase speed controller.3 x CBS-60 Outlet Flange for CSB/CBT-602 x Helios HQW-200/4 - IP551 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)2 x KMBI 250 Connector rectangular/circular to install on the discharge of CMT1 x ERR 31/1 Centrifugal inline fan4 x Speed Controller - REB103 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Elta Variable Speed Drive IP66 - 0.75KW1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Transformer (silent) speed controller - RE 5.0 Amp5 x Silent 100 Window Kit - windowS1 x SG-200 Fan Guard for the HQW 2004 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven4 x Transformer Speed Control - RTRE- 7.0Amp3 x Speed Controller - REB82 x Helios HQW-250/4 - IP552 x DDMP 09-09 3F 2130W M6A4 DG02 x DDMP 12-12 3F 1810W M6A4 DG04 x Speed Controller - REB13 x CBM 9-9 550w 4P VR (Open Motor)2 x KBA- Inlet Mounting 3552 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)3 x DDMP 09/09 Mounting Flange5 x MTS10- extractor fan 3 step switch2 x MEV Spider Wireless boost Switch - MEV-SWH-W5 x QPTW 250C Acoustic Twin Fan with Controller3 x DDMP 10-08 3F 2210W M6A4 DG03 x CBA-60 Inlet Flange for CBT-601 x Duct Termination with Mesh - 355mm1 x RS 80-50 L3 sileo. Centrifugal Rectangular Duct Fan1 x FAST-TRACK RANGE 75mm - Adjustable Air Restrictor1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm4 x AIRVENT speed control - AIR4019613 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x KAD-355-F400 Rectangle Flexible Connector4 x DEF-CBM-RE-7 - Protection Guard3 x CBT-100N Centrifugal2 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELM 25 EX Flexible Cuff for ERM 253 x CSB-60 Centrifugal fan2 x Round ceiling diffuser 200mm1 x ELM 20 EX Flexible Cuff for ERM 222 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven2 x CMT/4-250-100 1.1KW - Single inlet centrifugal fan direct driven ( LG-90)3 x Helios HQW-355/4 - IP553 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x DDMP 12-12 3F 5700W M6M0 DG75 x HIMF - Mixed Flow Fan 100mm Inline Fan4 x 100mm Round Connector with Damper3 x Elta SCP400/4-1AC - IP553 x CBB-60N Centrifugal3 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR3 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C3 x CBA-100 Inlet Flange for CBT-1003 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x VEKA INT 2000/15.0-L1 EKO4 x KBA- Inlet Mounting 2253 x DDMP 10-10 1F 1000W M6A2 DA55 x DPD 12PM Delivery Surcharge2 x DA9/9-NT2 x DDMP 12-09 1F 1800W M6A4 DA81 x CBT-80N Centrifugal3 x DDMP 07/07 Mounting Flange3 x CBS-100 Outlet Flange for CBT-1002 x DS-2/2 2-Speed Switch IP54 (Single Phase)4 x CBM 7/7 147w 4P RE-VR3 x TecFire Intumescent Damper - Rectangular 400x400mm3 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x SDD-U Anti Vibration Pads1 x SPI-200 C Iris damper3 x DDMP 09-07 1F 1000W M6A0 DA53 x DDMP 12-12 1F 1800W M6A4 DA83 x DDMP 10-08 1F 1000W M6A2 DA54 x KBA- Inlet Mounting 1801 x CBP-9/7-RC4 x Universal Pipe Fixing Clip2 x KBA- Inlet Mounting 3152 x DDMP 10-08 FLANGE3 x CBM 9/7 4p 420W RE-VR3 x Vent Axia T-Series Wall Model TX9WL4 x Duct Termination with Mesh - 200mm4 x Duct Termination with Mesh - 315mm2 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)3 x Potentiometer EGH 01 - for DDMP Fans2 x CBT-100N Centrifugal ATEX II 2G Exe II T32 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x CBP-7/7-RC1 x KBR/F 355E4 smoke extr. F4003 x Silentub - STUB 2003 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 100mm3 x Elta Turboflow-TF - 450mm - Single phase3 x DDMP 09/07 Mounting Flange1 x FAST-TRACK RANGE 75mm - Seal Ring (1 bag of 10)2 x DDMP 12-09 FLANGE3 x DDMP 09-09 1F 1000W M6A1 DA53 x Vent Axia W300310 Controller Electronic 1.5A1 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm1 x CBT-130N Centrifugal2 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x CBM 7/9 6p 72W RE-VR2 x Atex Inline Fan 180mm - ERM18EXE1 x KBD- outlet mounting flange for CRMT 3552 x Dynair AL 200/4 Forward curved blade centrifugal fan.2 x 110 x 54mm Short Rectangular to Round Adaptor male2 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 400mm2 x Temperature Fan Speed Controller - ATCP4-WMS3 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Transformer 5 Speed Controller - ATC1-10TK1 x Push Timer Switch - ZA42 x Helios TSW 3 Amp Transformer speed controller1 x Temperature Controller - EDTW1 x Three Phase Transformer controllers - RMT 1.5 Amp3 x Vent Axia ACM 200 inline mixed flow duct fan1 x RDS 11 Helios Transformer Controller With Motor Protection2 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan3 x Two Speed Switch - REGUL-21 x Vent Axia T-Series Controller4 x Helios HQW-630/4 - IP553 x TG-K3/NTC10-01 - Duct temperature sensor2 x Remote Timer Control - 13512 x Multiflow SMB550/4-1AC1 x MTV-1/010 Controller 0 to 10V+2 x FFR 355 Filter Cassette3 x Skyflow SSR Horizontal Roof Cowl SSR31/35B3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x PIR Sensor - PIR22 x TD Mixvent 800/200 EEXEIIT32 x TUNE-R-200-3-M4 - Control Damper3 x Elta Variable Speed Drive IP66 - 1.5KW2 x 204x60mm Insulated Rectangular Vertical 45° Bend4 x KBA- inlet mounting flange for CRMT 2502 x Elta Variable Speed Drive IP66 - 5.5KW2 x CBP-18/18-RC Belt Driven Centrifugal Fans2 x CBM 12-12 1100w 6P Three Phase2 x Duct Termination with Mesh - 100mm1 x GXC6EC - High Performance Extract Fan1 x Duct Termination with Mesh - 710mm1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC3 x KBA- inlet mounting flange for CRMT 2252 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase4 x Electrostatic Precipitator - 1H x 3W2 x Round ceiling diffuser 250mm4 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase4 x SAVE VSR 300 heat recovery unit3 x Flat Roof Terminal -OFT 5 - Asphalt2 x Silentub - STUB 1003 x KBA- Inlet Mounting 2801 x CFI In-line 150 - Carbon Filter3 x Binks Bullows - Spray Booth Filter5 x VTR 500 STD Filter Kit1 x Elta HXP 800mm 6-Pole (Three Phase)2 x Comefri - TLZ 450 R - High Performance Scroll Fan2 x ACO3TO-ADS-VFC-7.1A2 x EBM-Papst D3G133-BF05-14 Double inlet3 x Duct Termination with Mesh - 250mm1 x Singleflow SSDL315-1EC1 x IR24-P - Presence detector1 x FU 15 16 Frequency Inverter2 x CBB-80N Centrifugal2 x Comefri - TLZ 560 R - High Performance Scroll Fan1 x Round ceiling diffuser 300mm1 x KBA- Inlet Mounting 2503 x KAD-225-F400 Rectangle Flexible Connector3 x ELTA - Three Phase Transformer 3amps1 x Twinflow STDL315-1EC1 x TUNE-R-160-3-M2 - Control Damper1 x 125mm Round Connector with Damper2 x Flat Roof Terminal -OFT 5 - EPDM3 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan2 x CBS-130 Outlet Flange for CBT-1302 x Soaker Sheet to suit RA8002 x Chaysol DA 9/9 3 speed3 x CBA-130 Inlet Flange for CBT-1302 x Elta Quietflow Twin SQT150-1ECL2 x Speed controller with Reverse - REB-1R2 x Transformer 5 Speed Controller - ATC1-12TK6 x MWS 5 – Transformer Controller With Motor Protection Unit2 x MWS-75 Transformer controller with TK -7.5A4 x Helios TSW MCB Amp Transformer speed controller1 x Control with reverse - CR3001 x Insulated extract Plenum 8+11 x Insulated extract Plenum 6+13 x TEM 035 - 5 Speed Transformer Speed Control1 x REE-1 Electronic Speed Controller2 x TEM 075 - 5 Speed Transformer Speed Control4 x EC Trickle and boost module - IP562 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x TUNE-R-200-3-M1 - Control Damper2 x Elta Variable Speed Drive IP66 - 7.5KW1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x ELM 18 EX Flexible Cuff for ERM 182 x RR EC 160 Centrifugal inline fan - Energy Efficient Motor3 x Skyflow SSR Horizontal Roof Cowl SSR80B4 x Elta 2 Amp Electronic single phase speed controller.1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x 220x90mm Insulated Rectangular Horizontal 45° Bend2 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x 204x60mm Insulated Rectangular Horizontal 90° Bend3 x VTR 300 STD Filter Kit1 x 110 x 54mm Round to Rectangular Adaptor - Long1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Polyurethane Foam Media - 10PPI - Filter Media Sheets - Size: 2000mm x 1000mm5 x TUNE-R-250-3-M0 - Control Damper (NO ACTUATOR)3 x CO2 Room Sensor - CO2-R3 x Contactor Interface Station - CI91 x WSD 100 (1060x1060x70)2 x Lo-Carbon Silhouette 100T (Timer)2 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)1 x Spiral end cap - 355mm4 x Duct Termination with Mesh - 400mm3 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan4 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting2 x CCpro 40 (1CC9402) Long Casing Extension1 x ADH E0-250 Flange - 0250 ADHE/RDHE2 x TUNE-R-200-3-M3 - Control Damper1 x ADH E0-450 Flange - 0450 ADHE/RDHE2 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 373watt CVR3 x RDH Flange - 03153 x RDH Flange - 02501 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x 204x60mm x 1m Insulated Rectangular Duct2 x EHB 160 1.0kw - Helios Electric Heater Battery with Control and Sensor.4 x TD ECOWATT 160/100 Inline Duct Fan - TD-ECOWATT1 x Elta SLC560/4C-3AC - IP551 x RDS 7 Helios Transformer Controller With Motor Protection2 x RTRD - Three Phase Speed Controller - 14 Amp2 x Vortice Quadro Micro 100 I - Standard Version1 x Rectangular Airbrick Adaptor1 x Speed Controller - REB61 x RSK355 - Back Draught Shutter2 x Transformer Speed Control - RTRE- 3.0Amp3 x Compact SCD450/4-1AC1 x TUNE-R-315-3-M4 - Control Damper2 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x CK-60F Kit3 x CMT/4-280-115 2.2KW - Single inlet centrifugal fan direct driven ( LG-90)1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x BDS 800 RA b/d shutter1 x SD-MUB Vibration pad set3 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x SG-400 Fan Guard for flange connection2 x Spiral end cap - 80mm1 x Quietflow SQS250-1ECL - Centrifugal Box Fan3 x FU 22 25 Frequency Inverter1 x 220x90mm x 1m Insulated Rectangular Duct1 x Vortice Quadro Micro 100 IT HCS - Humidistat/Timer Version4 x VA 9/2 T - High Temp Axial Fan,1 x REU 3amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x RTRD - Three Phase Speed Controller - 4 Amp2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Helios HQW-315/4 - IP552 x Round ceiling diffuser 400mm2 x LFBR 160 G4 - Helios Inline Filter Box - 160mm1 x Duct Termination with Mesh - 500mm2 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x Backdraught Shutters 039-SFSV-63/712 x ELTA - Single Phase Transformer 2amps2 x Dektite Combo Pipe Flashing - DC210REC1 x Elta Quietflow Twin SQT125-1ECL2 x Flanged Damper 019-0500-STD1 x Direct Delivery Surcharge2 x RDH Flange - 04001 x EX 140A-2 (Three Phase) Centrifugal Fan (ATEX)1 x 110 x 54mm Rectangular Wall Plate1 x CBT-130N Centrifugal ATEX II 2G Exd IIB T42 x RDH Flange - 04503 x 204 x 60mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x ELTA - Single Phase Transformer 16amps1 x CFI Lite 600 Carbon Filter1 x BDS 400/450 RA b/d shutter1 x Impeller Side Guard - 800mm1 x Spiral Ducting 1 meter - 355mm1 x 204x60mm Insulated Rectangular Horizontal 45° Bend1 x TD Mixvent 1100/250 EEXEIIT32 x Elta Quietflow Twin SQT200-1ECL2 x FRQ5-10A Inverter Speed controller1 x TUNE-R-200-3-M2 - Control Damper1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF315/4-1AC - Single Phase1 x EMI 150L E2M - Acoustic Inline Mixvent Fan1 x RTRD - Three Phase Speed Controller - 2 Amp
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