• 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 ELM 18 EX Flexible Cuff for ERM 181 x Elta 6 Amp Electronic single phase speed controller.1 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta 2 Amp Electronic single phase speed controller.1 x FRQ5-10A Inverter Speed controller1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Compact SCD450/4-1AC2 x Duct Termination with Mesh - 355mm1 x Transformer Speed Control - RTRE- 5.0Amp2 x QPTW 250C Acoustic Twin Fan with Controller2 x TUNE-R-200-3-M4 - Control Damper1 x DDMP 10-08 3F 2210W M6A4 DG01 x Transformer Speed Control - RTRE- 3.0Amp2 x GENIOX 11 Internal Mounted Unit1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x Speed Controller - REB2.5-N1 x Transformer Speed Control - RTRE- 1.5Amp1 x TUNE-R-315-3-M4 - Control Damper1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x CBM 12-12 1100w 6P Three Phase2 x Vertical Cowl and Fan (Single Phase) - RAV400-4-12 x CMT/4-280-115 2.2KW - Single inlet centrifugal fan direct driven ( LG-90)2 x SAVE VSR 300 heat recovery unit3 x TUNE-R-200-3-M2 - Control Damper2 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x CBM Low Pressure Centrifugal Fan - CBM 10/8 4 Pole 373watt CVR1 x MTS10- extractor fan 3 step switch2 x RDS 1 Helios Transformer Controller With Motor Protection1 x Silent 100 Window Kit - windowS2 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x Elta SCP400/4-1AC - IP551 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.3 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x 204x60mm Insulated Rectangular Horizontal 45° Bend1 x RDH Flange - 03152 x Helios HQW-355/4 - IP552 x CBT-100N Centrifugal1 x KAD-225-F400 Rectangle Flexible Connector1 x RDH Flange - 02501 x RTRD - Three Phase Speed Controller - 2 Amp1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x REE-1 Electronic Speed Controller2 x Lo-Carbon Silhouette 100T (Timer)1 x TD Mixvent 1100/250 EEXEIIT32 x FlameProof Plate Axial Fan - Single Phase - 15 inches - Eexd IIC T4 -4pole1 x Round ceiling diffuser 200mm2 x Remote Timer Control - 13511 x Mini Diffuser - 100mm1 x VTR 300 STD Filter Kit1 x Duct Termination with Mesh - 450mm1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x CK-60F Kit1 x RDH Flange - 04001 x Helios RR-250-C Centrifugal inline fan1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x RSK355 - Back Draught Shutter1 x Elta Standard Ambient Flexible Connector - 560mm1 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting3 x Silent 300 CZ Design PLUS Extractor Fan1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Flanged Damper 019-0560-STD1 x DDMP 12-12 3F 5700W M6M0 DG71 x RDH Flange - 04502 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x KBA- inlet mounting flange for CRMT 2501 x Duct Termination with Mesh - 710mm1 x HIMF - Mixed Flow Fan 125mm Inline Fan2 x 125mm Round Connector with Damper1 x ACO3TO-ADS-VFC-7.1A2 x DEF-CBM-RE-7 - Protection Guard2 x CBA-130 Inlet Flange for CBT-1301 x Duct Termination with Mesh - 250mm3 x HXP450/6-1 - 6 Pole - Single Phase1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x CBA-100 Inlet Flange for CBT-1001 x ELTA - Single Phase Transformer 8amps2 x VKS 355-500 Automatic shutter1 x Spiral end cap - 80mm2 x CBT-130N Centrifugal ATEX II 2G Exd IIB T42 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Elta SCP350/4-1AC - IP551 x Jetflow Silent SJMF-S 200-1EC1 x Elta SPA500/4-1AC - IP541 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x Rectangular Airbrick Adaptor1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x RTRD - Three Phase Speed Controller - 14 Amp1 x DPD 12PM Delivery Surcharge1 x Nicotra RDH G2E7-04501 x ELTA - Three Phase Transformer 3amps1 x RUCK MTP 20, 10K, Speed control1 x ADH E0-450 Flange - 0450 ADHE/RDHE1 x CBM 9-9 550w 4P VR (Open Motor)1 x SPI-100 C Iris damper1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Airvent ceiling fan controller1 x CBS-100 Outlet Flange for CBT-1001 x CBT-100N Centrifugal ATEX II 2G Exe II T3
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

Look good, works well, except the shaft of the lanellae cuts...