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 150mm Round 90 Degree Bend1 x Raptor SDA500/4-1EC1 x Speed Controller - REB1-N1 x Duct Mounted Filter Box - G4 Grade Panel - 355mm1 x HRFD 400/4/2 Cased Axial Fan 400mm - 3 Phase1 x BDS 300/315 RA b/d shutter1 x Elta SLC500/4A-1AC - IP551 x Compact SCD500/4-1AC1 x VKS 355-500 Automatic shutter1 x LC040K2-A5/28 Long-Cased Axial - 400mm1 x BDS 630/710 RA b/d shutter1 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x Elta - HTS450/4-1 - Case Mounted Circulating Axial Fan1 x PBT/4-400 Portable Cooling Fan1 x Raptor SDA500/4-1AC2 x Elta Turboflow-TF - 500mm(A) - Three phase1 x Elta SPA350/4-1AC - IP441 x AL 400 D2 01 AXIALINE - High Performance Long Cased Axial Fan1 x Elta Variable Speed Drive IP66 - 7.5KW1 x CRBB/4-400/J ML UL1 x SEL355/2-1AC1 x Soler & Palau - TGT/6-1000-3/26 BLP 3kW (230/400V50Hz) IE3 V51 x Soler & Palau - HCBB/2-355/H - IP651 x FU 15 16 Frequency Inverter1 x BDS 500/560 RA b/d shutter1 x AMD 400/2/2 High Pressure Long Cased Axial Fan1 x Frequency converter RUCK - FU 075 211 x Elta SLC450/2A-3AC - IP551 x ACQ-25012D Acoustic Inline Box Fan1 x Helios Condense Collector1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Helios SB-250-C SilentBox Acoustic Inline Fan1 x Raptor SDA400/4-1AC1 x Soler & Palau TCBB/4-500/H - IP651 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 15 40 Frequency Inverter1 x Frequency converter RUCK - FU 075 201 x LCA403226 - Long Cased Axial Fan1 x Elta SCP350/4-1AC - IP551 x 110 x 54mm Horizontal 90 Degree Bend1 x Airvent Ceiling Sweep Fan - 56 inch - 444124
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 ...