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
£ 1.54
100mm to 125mm Round Reducer...
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 90 Degree Bend
100mm Round 90 Degree Bend
£ 2.99
100mm Round 90 Degree Connector for round plastic duct systems....
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 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 Wall Duct - 350mm
100mm Wall Duct - 350mm
£ 2.33
Wall Duct - 350mm For bridging cavities or lining solid exterior walls. Mortared into position. ...
150mm - 100mm Round Reducer
150mm - 100mm Round Reducer
£ 3.35
150mm - 100mm 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...
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...
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 Duct Mounted Filter Box - G4 Grade Panel - 150mm1 x Soler & Palau TCBT/4-400/H - IP441 x Ancillary Pack for SLC-710 for 4 pole Motors1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x Ducting Reducers Short - 315mm-250mm1 x 220 x 90mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x Hydor Typhoon Circulation Fans - HVFB - 450mm1 x Soler & Palau - Contra Rotating TCBTx2-630 - IP651 x K 315 L Sileo Metal Tube Fan1 x Male Ducting Connector - 150mm1 x 220x90mm x 1m Insulated Rectangular Duct1 x Airvent ceiling fan controller1 x Duct Suspension Rings - 200mm1 x 220 x 90mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x AL 400 D2 01 AXIALINE - High Performance Long Cased Axial Fan1 x Metal Inline Fan - VENT-150NK1 x Etaline 280mm1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x 1mtr Round Ducting - 125mm1 x Temperature Fan Speed Controller - ATCP4-FLS1 x Ducting 90 Degree Bend - 300mm1 x SG AW 1000 Guard 6-Pole1 x RUCK MTP 20, 10K, Speed control1 x Elta SLC710/4A-3AC - IP551 x Metal Inline Fan - VENT-200NK1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Acoustic MiniBox Fan - MINI-BOX 2001 x Desk fan 9 inch - SFG91 x Jetflow-HIT Metal inline - 200mm1 x Acoustic MiniBox Fan - MINI-BOX 1001 x Metal Inline Fan - VENT-315NK1 x RDS 7 Helios Transformer Controller With Motor Protection1 x Female Ducting Connector - 100mm1 x Frequency converter RUCK - FU 075 211 x PIR Sensor - PIR21 x 1mtr Insulated Round Ducting - 125mm1 x Three Phase Transformer controllers - RMT 2.5 Amp1 x Helios GigaBox 630mm GBD 630/4/4 centrifugal1 x RDS 2 Helios Transformer Controller With Motor Protection1 x GORDON W 30/12″ ET Oscillating wall mounted fan with remote control1 x MPS Weather Housing1 x Elta SCP630/4-3AC - IP551 x Three Phase Transformer controllers - RMT 8.0 Amp1 x 204x60mm x 1m Insulated Rectangular Duct1 x Elta SCP560/4-3AC - IP551 x Time Delay Unit - DT20B1 x PIR Sensor - PIR41 x Helios GigaBox 710mm GBD 710/4 centrifugal1 x Elta Qube SQU Centrifugal Box Fan - SQU4/4-3 HTS - Three Phase1 x EM 150L-E2M 01- Etamaster-1501 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT500/4-3AC1 x Frequency converter RUCK - FU 075 201 x 100mm - 125mm Round Reducer1 x Jetflow-HIT Metal inline - 100mm1 x Helios GigaBox 630mm GBD 630/6/6 centrifugal1 x 1mtr Round Ducting - 100mm1 x 100mm Round Connector1 x Metal Inline Fan - VENT-100NK1 x Universal Pipe Fixing Clip1 x 100mm Round 90 Degree Bend
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 ...