125mm Circular (5")

Full range of 125mm (5") duct fittings

Displaying 1 to 13 (of 13 products)
125mm - 100mm Round Reducer
125mm - 100mm Round Reducer
£ 1.54
125mm - 100mm Round Reducer...
125mm - 150mm Round Reducer
125mm - 150mm Round Reducer
£ 3.44
125mm - 150mm Round Reducer...
125mm Round 45 Degree Bend
125mm Round 45 Degree Bend
£ 7.33
Connector for round pipe systems...
125mm Round 90 Degree Bend
125mm Round 90 Degree Bend
£ 7.77
Connector for round pipe systems....
125mm Round Condensation Trap
125mm Round Condensation Trap
£ 18.30
Condensation trap for use with plastic round duct of 125 diameter. Prevents condensed water from running back down the duct towards the fan in vertical PVCu ducted applications. Not suitable fo...
125mm Round Connector
125mm Round Connector
£ 2.22
Plastic Inline Duct Connectors - 125mm,...
125mm Round Connector with Damper
125mm Round Connector with Damper
£ 5.54
125mm Round Connector with Damper...
125mm Round Equal T Piece
125mm Round Equal T Piece
£ 6.94
125mm Round Equal T Piece PVC T-Piece to connect to round ducting....
125mm Round Wall Plate
125mm Round Wall Plate
£ 1.94
125mm Round Wall Plate...
125mm Wall Duct - 350mm
125mm Wall Duct - 350mm
£ 2.78
Wall Duct - 350mm For bridging cavities or lining solid exterior walls. Mortared into position. ...
1mtr Round Ducting - 125mm
1mtr Round Ducting - 125mm
£ 6.83
Round plastic ducting Pressure drops for 125mm circular - 1 meter 15l/s = 0.2PA 30l/s = 0.7PA 60l/s = 1.90PA...
2mtr Round Ducting - 125mm
2mtr Round Ducting - 125mm
£ 8.33
Round plastic ducting Pressure drops for 125mm circular - 2 meter 15l/s = 0.4PA 30l/s = 1.40PA 60l/s = 3.80PA...
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 S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x GB-WSG 630 External Weather Louvers for the Giga-Box Fans - 630mm1 x CTI CVA-N 250/315 Outdoor cover for CVAB/T Fans1 x Jetflow-HIT Metal inline - 315mm1 x DDMP 09-07 1F 1000W M6A0 DA51 x 150mm Round Equal T Piece1 x Transformer (silent) speed controller - RE 1.5 Amp1 x WSD 042 (730x730x70)1 x CBS-100 Outlet Flange for CBT-1001 x Acoustic Box Fans (Inline) - CAB-1501 x HVWC800 WALL COWL - for use with the HV-800 belt driven fans1 x Roof Axial Fan and Cowl - Three Phase -315mm1 x GB-WSD 355 Weather Protection hood for the Giga-Box Fans - 355mm1 x CBA-80 Inlet Flange for CBT-801 x TD1300 Mixvent - 250mm1 x KBD- outlet mounting flange for CRMT 3151 x Duct Mounted Filter Box - G4 Grade Panel - 355mm1 x GB-WSD 560 Weather Protection hood for the Giga-Box Fans - 560mm1 x CTI CVA-N 355/400 OUTDOOR COVER for CVAB/T Fans1 x CTI CVA-N 450 Outdoor cover for CVAB/T Fans1 x Hydor HPA250/2-11 x Soler & Palau VFD-T inverter 13 amp IP541 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Ducting Y Piece - 100mm1 x Purlin Box 300/315 for RAW Cowls1 x Ducting 45 Degree Bend - 200mm1 x 125mm - 150mm Round Reducer1 x Male Ducting Connector - 125mm1 x Spigot plate - 560mm1 x Helios GigaBox 560mm GBD 560/4/4 T120 centrifugal1 x Acoustic Box Fans (Inline) - CAB-2001 x ELTA - Single Phase Transformer 2amps1 x Duct Suspension Rings - 250mm1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Elta SCP500-1EC - IP551 x 5-Speed Controller for use with Elta SAX Classic Fans1 x HV Wall Mounted Belt Drive Fan 1000mm 220V to 240V / 50Hz 0.75kW - Single Phase1 x Female Ducting Connector - 560mm1 x 125mm - 100mm Round Reducer
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 ...