• Model:DR-L300-250mm

Ducting Reducers Long - 300mm-250mm

£ 24.99 (excl. VAT)

£ 29.99 (inc. VAT)

Long Reducers for 300mm 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.
1 x Spiral Duct Grille Termination - 400mm1 x Purlin Box 300/315 for RAW Cowls1 x MUB 100 630D4-L1 x Female Ducting Connector - 400mm1 x Airvent ceiling fan controller1 x CTVB/4-315 Kitchen/High Temp Roof Fan1 x MUB 100 710DV Sileo1 x MUB/T 042 500 D4 Centrifugal box fan, 120°C Continuous, Insulated1 x Elta Qube SQU Centrifugal Box Fan - SQU2/4-3 - Three Phase1 x JBS-1250 Flat Roof Upstand for HCTT/4-1000/B1 x Purlin Box 630/710 for RAW Cowls1 x Purlin Box 350 for RAW Cowls1 x Purlin Box 800 for RAW Cowls1 x TUNE-R-100-2-M1 - Control Damper1 x Slim Qube SSQU23/4-3HT1 x TUNE-R-100-2-M4 - Control Damper1 x TUNE-R-160-3-M4 - Control Damper1 x AM pallet Delivery Surcharge1 x MUB/T 100 630 D4-K2-L Centrifugal box fan, 120°C Continuous, Insulated1 x TUNE-R-125-3-M5 - Control Damper1 x Transformer (silent) speed controller - RE 5.0 Amp1 x TUNE-R-100-3-M4 - Control Damper1 x Anti Vibration Mounts - Large - Pack of 4 - AVM11 x Ducting 90 Degree Bend - 200mm1 x JCC-560 - ADAPTER FOR CIRCULAR DUCT - for CTHB/T Roof Fans,1 x HCF - Ceiling Fan 1400mm (56 inch)1 x Slim Qube SSQU24/4-3BHT1 x TUNE-R-160-3-M0 - Control Damper (NO ACTUATOR)1 x 100mm Round Equal T Piece1 x Pre 10:30 Delivery Surcharge1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x MUB/T 042 450 EV Centrifugal box fan, 120°C Continuous, Insulated1 x 100mm Round Connector with Damper1 x Slim Qube SSQU22/4-3HT1 x HD Series Control Damper - 3000mm X 1500mm1 x MUB 062 630DV Sileo Multibox1 x Spiral Ducting 3 Meters - 100mm1 x MUB/T 042 450 D4 Centrifugal box fan, 120°C Continuous, Insulated1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x Ducting Reducers Long - 300mm-250mm1 x Electronic extractor fan speed controller - FSC 1.52 x Airvent Ceiling Sweep Fan - 48 inch - 4441231 x NKS-D swirl diffuser v-300 x 300mm1 x Versio Square Ceiling Diffusers - RS141 x GORDON W 30/12″ ET Oscillating wall mounted fan with remote control1 x Ducting Y Piece - 100mm1 x BDS 500/560 RA b/d shutter1 x Round ceiling diffuser 400mm1 x RSK355 - Back Draught Shutter1 x Circular Ceiling Diffuser - TST 1001 x Round ceiling diffuser 350mm1 x Desk fan 9 inch - SFG91 x CTHB/6-400 High Temp Kitchen Roof Fan1 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x FedEx Midday Delivery Surcharge1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Circular Ceiling Diffuser - TST 1601 x TD160 Mixvent - 100mm - TD160-N Standard1 x Duct Mounted Filter Box - G4 Grade Panel - 200mm1 x Roof Axial Fan and Cowl - Three Phase -500mm1 x Duct Termination with Mesh - 100mm1 x Round ceiling diffuser 300mm
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 ...