• Model:DR-L

Ducting Reducers Long - 400mm

£ 25.23 (excl. VAT)

£ 30.28 (inc. VAT)

Long Reducers for 400mm 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 KV DUO 250 EC1 x JAA-560 Acoustic Upstand1 x Systemair AR 200E2 Sileo - IP441 x Hydor HPA250/2-11 x KVK SLIM 100 EC - Centrifugal Circular Duct Fan1 x Spiral Ducting 3 Meters - 355mm1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Spiral Ducting 1 meter - 125mm1 x KABT High Temp Acoustic Kitchen Fan & Inverter Kit - KABT/4-9000/500 ND - Pack 41 x Motorised Volume Control Damper - 400mm1 x TUNE-R-200-3-M2 - Control Damper1 x Filter Box With F7 Grade Bag Filter - 250mm1 x TUNE-R-250-1-M2 - Control Damper1 x External weather louvre 500w x 500h - WL501 x TUNE-R-315-1-M4 - Control Damper1 x Female Ducting Connector - 150mm1 x TUNE-R-250-3-M5 - Control Damper1 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-1000-B 5.5kw1 x Male Ducting Connector - 300mm1 x TUNE-R-200-3-M4 - Control Damper1 x KABT High Temp Acoustic Kitchen Fan & Inverter Kit - KABT/4-4000/355 ND - Pack 21 x HD Series Control Damper - 3000mm X 1500mm1 x CVAT Acoustic Kitchen Fan & Inverter Kit - CVAT/6-15000/710 ND - Pack 101 x ELTA - Single Phase Transformer 2amps1 x TUNE-R-180-2-M5 - Control Damper1 x TUNE-R-80-3-M0 - Control Damper (NO ACTUATOR)1 x TUNE-R-80-3-M2 - Control Damper1 x TUNE-R-250-2-M2 - Control Damper1 x Carriage1 x Spiral Ducting 1 meter - 80mm1 x 220x90mm x 2m Low Profile Plastic Ducting - 2 Meter1 x Spiral Ducting 3 Meters - 400mm1 x Ductwrap Insulation DW501 x Purlin Box 300/315 for RAW Cowls1 x Inclined Curb support BI-3 for TH-5001 x Soler & Palau TCBB/4-450/H - IP651 x Elta Qube SQU Centrifugal Box Fan - SQU23/4-3HTS - 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 ...