100mm Circular (4")

Full range of 100mm (4") Circular duct fittings
Displaying 1 to 13 (of 13 products)
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 Wall Plate
100mm Round Wall Plate
£ 1.39
100mm Round Wall Plate...
100mm - 125mm Round Reducer
100mm - 125mm Round Reducer
£ 1.54
100mm to 125mm Round Reducer...
100mm Round Connector
100mm Round Connector
£ 1.65
Plastic Inline Duct Connectors - 100mm....
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 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 Connector with Damper
100mm Round Connector with Damper
£ 3.32
100mm Round Plastic Duct Connector with Damper...
150mm - 100mm Round Reducer
150mm - 100mm Round Reducer
£ 3.35
150mm - 100mm Round Reducer...
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....
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 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...
Displaying 1 to 13 (of 13 products)
1 x HRSB/6-710/24-BZ1 x Direct AM Delivery Surcharge1 x Biflow SB315-CON2-3 - High Temperature Bifurcated Fan1 x ECO-500 Kitchen Extract Fan1 x FedEx TEN AM delivery Surcharge1 x 150mm - 100mm Stainless Steel Ducting Reducer1 x Spiral Ducting 1 meter - 800mm1 x Belt Drive Cased Axial Fan - 710mm - L version1 x Belt Drive Cased Axial Fan - 800mm - H version1 x DPD SAT 10:30AM Delivery Surcharge1 x Elta SCP630/4-1AC - IP551 x Ducting 45 Degree Bend - 400mm1 x Pre 10:30 Delivery Surcharge1 x Anti Vibration Duct Suspension Rings - 400mm1 x 200mm - 150mm Stainless Steel Ducting Reducer1 x FedEx Midday Delivery Surcharge1 x Delivery Surcharge1 x GB-WSG 450 External Weather Louvers for the Giga-Box Fans - 450mm1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 400mm1 x Spiral Ducting 3 Meters - 800mm1 x Additional Delivery Surcharge1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Duct Termination with Mesh - 560mm1 x Soler & Palau - HCBT/6-355/H - IP651 x Elta SCP350/4-1AC - IP551 x CBT-125 Centrifugal1 x FAST-TRACK RANGE 90mm - Semi-Rigid Duct 50M1 x Duct Suspension Rings - 300mm1 x Spiral Ducting 3 Meters - 100mm1 x AXCBF 250D2-32 Bifurcated Axial Fan1 x Flexible PVC Ducting - 220x901 x Ducting 45 Degree Bend - 560mm1 x Anti Vibration Duct Suspension Rings - 100mm1 x Spigot plate - 100mm1 x 100mm Round Condensation Trap1 x Elta Quietflow Twin SQT400-1ECL1 x Ducting Y Piece - 100mm1 x 100mm - 125mm Round Reducer1 x 204x60mm Rectangular to 125mm Round Adaptor1 x KVK Slim 250 - Low profile Semi Acoustic Box Fan1 x CBT-100 N (230/400V50HZ) LG270-EXDIIBT41 x 220x90mm Equal T Piece1 x CBT-130N Centrifugal ATEX II 2G Exd IIB T41 x Spiral end cap - 100mm1 x 204x60mm x 2m Low Profile Plastic Ducting - 2 Meter1 x Elta Quietflow Twin SQT125-1ECL1 x Curved boot - 710mm1 x Ducting 90 Degree Bend - 300mm1 x 204x60mm Rectangular to 100mm Round Adaptor1 x KV DUO 400 EC
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 ...