100mm Circular (4")

Full range of 100mm (4") Circular duct fittings
Displaying 1 to 13 (of 13 products)
100mm - 125mm Round Reducer
100mm - 125mm Round Reducer
£ 1.62
100mm to 125mm Round Reducer...
100mm Round 45 Degree Bend
100mm Round 45 Degree Bend
£ 3.14
100mm Round 45 Degree Bend Connector for round plastic duct systems....
100mm Round 90 Degree Bend
100mm Round 90 Degree Bend
£ 3.14
100mm Round 90 Degree Connector for round plastic duct systems....
100mm Round Condensation Trap
100mm Round Condensation Trap
£ 16.88
Condensation trap for use with plastic round duct of 100 diameter. Prevents condensed water from running back down the duct towards the fan in vertical PVCu ducted applications. Not suitable fo...
100mm Round Connector
100mm Round Connector
£ 1.73
Plastic Inline Duct Connectors - 100mm....
100mm Round Connector with Damper
100mm Round Connector with Damper
£ 3.49
100mm Round Plastic Duct Connector with Damper...
100mm Round Equal T Piece
100mm Round Equal T Piece
£ 3.83
100mm Round Equal T Piece PVC T-Piece to connect to round ducting....
100mm Round Wall Plate
100mm Round Wall Plate
£ 1.46
100mm Round Wall Plate...
100mm Wall Duct - 350mm
100mm Wall Duct - 350mm
£ 2.45
Wall Duct - 350mm For bridging cavities or lining solid exterior walls. Mortared into position. ...
150mm - 100mm Round Reducer
150mm - 100mm Round Reducer
£ 3.52
150mm - 100mm Round Reducer...
1mtr Round Ducting - 100mm
1mtr Round Ducting - 100mm
£ 6.81
Round plastic ducting Pressure drops for 100mm circular - 1 meter 15l/s = 0.5PA 30l/s = 1.4PA 60l/s = 3.10PA...
2mtr Round Ducting - 100mm
2mtr Round Ducting - 100mm
£ 9.92
Round plastic ducting Pressure drops for 100mm circular - 2 meter 15l/s = 1.00PA 30l/s = 2.80PA 60l/s = 6.20PA...
Universal Pipe Fixing Clip
Universal Pipe Fixing Clip
£ 1.16
Universal Pipe Clip, suitable for use with PVC round ducting from sizes 100mm to 150mm. For installation guide click HERE...
Displaying 1 to 13 (of 13 products)
2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x CBMT/Q 250-54 1 HEATER KIT1 x Duct Mounted Filter Box - G4 Grade Panel - 250mm1 x Elta 2 Amp Electronic single phase speed controller.1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x Elta ACO Panel 149-ACO18B1 x ACO 149-ACO1/EDV1 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 EM30-24 Control Panel Commissioning Service1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Electronic extractor fan speed controller - FSC 1.51 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Same Day Shipping Surcharge - City Sprint1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Northern Ireland Pallet Surcharge1 x DPD 12PM Delivery Surcharge1 x Economy Airvent 100mm Fan with Timer1 x Redelivery Charge1 x DPD 10:30AM Delivery Surcharge1 x DV-ROF-V-225 Roof mounted unit1 x Manrose Window Extractor - WF150AP1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Manrose T12 TIMER Transformer- T12T1 x Pallet Delivery Surcharge1 x DPD SATURDAY Delivery Surcharge1 x Economy Airvent 150mm Fan1 x Manrose T12 STANDARD Transformer- T12S1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x AL 400 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Manrose 150mm - XF150BP1 x Control board kit Smarty 4X P 1.1 F2 Fan 230V1 x AL 450 EC 03 AXIALINE - High Performance Long Cased Axial Fan1 x 18M - 80mm PVC flexible ducting1 x Manrose 150mm - XF150BHP1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Maico EN31- Wall Mounted Fan1 x Manrose XF100HTLVT- Clearance1 x Economy Airvent 100mm Fan with Timer & Shutter1 x CTVT/4-400 High Temp Roof Fan - 51369260001 x CRBB/3-160/052M EC 1H0 MP - Radial Impeller - 160mm1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Carriage for Scottish Highlands1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x HQS Bathroom Axial Flow Fan - 125mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x DV-ROF-V-315 Roof mounted unit1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x Capacitor 2uf for use with the EBM A4E range1 x Fresh Air control carbon filter - 125mm1 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x AL 500 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x CAB-200 ECOWATT Energy Efficient Acoustic Box Fan1 x CAB-125 ECOWATT Energy Efficient Acoustic Box Fan1 x Direct Delivery Surcharge - Pre 12:001 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x HRB/6-451/20-BMVPN - Special Offer1 x 3-pin Plug and lead for TD Silent Ecowatt1 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x Direct Delivery Surcharge1 x Elta Unpodded Silencer Melinex 1D-500mm1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x Small Centrifugal Fans CBM/2-133/190 185w1 x Manrose 150mm - XF150BTP1 x Helios DDF-200 Roof Cowl1 x Etamaster EM 250 EC 01 inline mix-vent fan1 x Small Centrifugal Fan - CBM/4-160/150-125 W1 x EBM-Papst D3G133-BF05-14 Double inlet1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HAS1 x Etamaster EM 250 EC 02 (high Power) inline mix-vent fan
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 ...