100mm Circular (4")

Full range of 100mm (4") Circular duct fittings
Displaying 1 to 13 (of 13 products)
1mtr Round Ducting - 100mm
1mtr Round Ducting - 100mm
£ 6.49
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
£ 11.99
Round plastic ducting Pressure drops for 100mm circular - 2 meter 15l/s = 1.00PA 30l/s = 2.80PA 60l/s = 6.20PA...
100mm Round 45 Degree Bend
100mm Round 45 Degree Bend
£ 2.99
100mm Round 45 Degree Bend Connector for round plastic duct systems....
100mm Round Connector
100mm Round Connector
£ 1.65
Plastic Inline Duct Connectors - 100mm....
100mm Round Connector with Damper
100mm Round Connector with Damper
£ 3.32
100mm Round Plastic Duct Connector with Damper...
100mm Round Equal T Piece
100mm Round Equal T Piece
£ 3.65
100mm Round Equal T Piece PVC T-Piece to connect to round ducting....
100mm Round Wall Plate
100mm Round Wall Plate
£ 1.39
100mm Round Wall Plate...
100mm Round Condensation Trap
100mm Round Condensation Trap
£ 16.08
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...
150mm - 100mm Round Reducer
150mm - 100mm Round Reducer
£ 3.35
150mm - 100mm Round Reducer...
100mm - 125mm Round Reducer
100mm - 125mm Round Reducer
£ 1.54
100mm to 125mm Round Reducer...
100mm Wall Duct - 350mm
100mm Wall Duct - 350mm
£ 2.33
Wall Duct - 350mm For bridging cavities or lining solid exterior walls. Mortared into position. ...
100mm Round 90 Degree Bend
100mm Round 90 Degree Bend
£ 2.99
100mm Round 90 Degree Connector for round plastic duct systems....
Universal Pipe Fixing Clip
Universal Pipe Fixing Clip
£ 1.10
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)
1 x 316 grade Stainless Steel Jet Cowl Ventilation Outlet - 315mm1 x Stainless Steel IL Flanged Spigot-400mm1 x 316 grade Stainless Steel Jet Cowl Ventilation Outlet - 500mm1 x Soler & Palau - HXBR/4-560/H - IP541 x Soler & Palau - HCBT/6-560/H - IP651 x JETLINE-150 - In Line Centrifugal Duct Fan1 x CAB-200 ECOWATT Energy Efficient Acoustic Box Fan1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x 110 x 54mm Rectangular Wall Plate1 x Universal Pipe Fixing Clip1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x 110 x 54mm Short Rectangular to Round Adaptor male1 x 100mm Wall Duct - 350mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x CBA-100 Inlet Flange for CBT-1001 x HRB/4-500-30-APNC1 x HCFB/4-500mm plastic impeller plate fan1 x KV DUO 150 EC1 x Male Ducting Connector - 200mm1 x HCBT-4/500-H - Three Phase 400v Only - 56033228001 x Helios HQW-500/6 - IP551 x Helios GigaBox 500mm GBD 500/4/4 centrifugal1 x Ancillary Pack for SLC-900 for SLC900/4B-3AC1 x EBB-250 HM DESIGN Centrifugal Extractor Fan1 x Centrif Duo Plus - Timer1 x BOX Hood - BOX-INOX-6001 x Jetflow-HIT Metal inline - 250mm1 x Airvent ceiling fan controller1 x EC6H - Reversible Group Fan Electronic Controller1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x FU 22 25 Frequency Inverter1 x FU 15 40 Frequency Inverter1 x AIRVENT speed control - AIR4019611 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 10amps1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x 400mm - 355mm 316 Grade Stainless Steel Ducting Reducer1 x ELTA - Single Phase Transformer 8amps1 x Stainless Steel Duct Suspension Rings - SUR2001 x Stainless Steel Ducting T Piece - 250mm1 x FSD-TD 180mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSAF315B2DX Silencer 355/81 x Elta Unpodded Silencer Melinex 2D-1000mm Dia1 x 1mtr Round Ducting - 100mm1 x Gorilla HVLSX501 x FSD-TD 400 x 200 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Elta Unpodded Silencer Melinex 2D-450mm1 x Economy Airvent 100mm Fan with Timer
Air Quality Sensor - AQS
Air Quality Sensor - AQS
£ 98.29 now £ 65.00
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 ...