100mm Circular (4")

Full range of 100mm (4") Circular duct fittings
Displaying 1 to 13 (of 13 products)
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...
100mm Round Wall Plate
100mm Round Wall Plate
£ 1.39
100mm Round Wall Plate...
100mm Wall Duct - 350mm
100mm Wall Duct - 350mm
£ 2.33
Wall Duct - 350mm For bridging cavities or lining solid exterior walls. Mortared into position. ...
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...
100mm Round Connector with Damper
100mm Round Connector with Damper
£ 3.32
100mm Round Plastic Duct Connector with Damper...
100mm - 125mm Round Reducer
100mm - 125mm Round Reducer
£ 1.54
100mm to 125mm Round Reducer...
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...
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 45 Degree Bend
100mm Round 45 Degree Bend
£ 2.99
100mm Round 45 Degree Bend Connector for round plastic duct systems....
150mm - 100mm Round Reducer
150mm - 100mm Round Reducer
£ 3.35
150mm - 100mm Round Reducer...
100mm Round 90 Degree Bend
100mm Round 90 Degree Bend
£ 2.99
100mm Round 90 Degree Connector for round plastic duct systems....
100mm Round Connector
100mm Round Connector
£ 1.65
Plastic Inline Duct Connectors - 100mm....
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...
Displaying 1 to 13 (of 13 products)
1 x Manual Overide Switch - MOS1 x 204 x 60mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x Elta SLC400/4-3AC - IP551 x 125mm Round Connector1 x 110 x 54mm Rectangular Wall Plate1 x 125mm - 150mm Round Reducer1 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Raptor SDA400/4-1AC1 x CCZ-404 (Single Phase)1 x 125mm Round Wall Plate1 x IP65 Remote Speed Adjustment Station1 x Access Door for Circular Duct - 500 x 4001 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 400mm1 x 100mm Round Connector with Damper1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Curved boot - 300mm1 x Differential Pressure Switch - 100 - 1000 Pa - IP651 x Belt Drive Cased Axial Fan - 710mm - L version1 x Flanged Spigot - 250mm1 x Spiral Ducting 3 Meters - 180mm1 x AES-Fire control unit1 x Spigot plate - 250mm1 x Belt Drive Cased Axial Fan - 450mm - H version1 x Soler & Palau - HXTR/6-800/H - IP541 x Frequency converter FU 075 14 - IP661 x HD Series Control Damper - 2000mm X 1000mm1 x Purlin Box 200/250 for RAW Cowls1 x Contactor Interface Station - CI91 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Ducting 90 Degree Bend - 250mm1 x CS2 Current Switch1 x 220x90mm Insulated Rectangular T-Piece1 x Ducting Reducers Long - 300mm-250mm1 x Spiral Ducting 3 Meters - 250mm1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 500mm1 x 100mm Round 45 Degree Bend1 x Elta Variable Speed Drive IP66 - 1.5KW1 x CPTA-E Flush mounted PIR sensor with timer1 x 220x90mm x 2m Insulated Rectangular Duct1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX500/2-3B Three Phase1 x JPA-560 Accessory Adapter Plate1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX450/4-3B Three Phase1 x ACCESS DOOR FOR CIRCULAR DUCT 180 X 180 -- 100/1251 x DTV200 - Differential Pressure Switch1 x Access Door for Circular Duct - 300 x 200 - SIZE 311 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x Duct Fast Clamps - 250mm1 x Atex Motor Protection Switch - U-EK230E EX1 x Nicotra RDH E4-0355 (K)1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX450/2-3A Three Phase1 x Access Door for Circular Duct - 280 x 80 - SIZE 101 x Male Ducting Connector - 180mm1 x Blast Gate (Manual) 180mm1 x Woods 31JMV14/2/6/33 - Long Cased Axial Fan 315mm1 x AXCBF 800D4-18 IE2 Bifurcated Axial Fans1 x Elta HXP 800mm 6-Pole (Three Phase)1 x Access Door for Circular Duct - 250 x 150 - SIZE 251 x Spiral end cap - 300mm1 x Flanged Spigot - 180mm1 x 100mm Round Wall Plate1 x Female Ducting Connector - 250mm1 x Ducting 15 Degree Bend - 180mm1 x Soler & Palau - HCBT/6-800/H - IP651 x FU 15 16 Frequency Inverter1 x 125mm Thermal Duct to Duct Connector - SST-125-DDCON1 x Ducting 90 Degree Bend - 180mm
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 ...