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 Systemair AW-Sileo 450-E61 x Fresh Air control carbon filter - 125mm2 x Soler & Palau TCBT/6-800/G - IP651 x Flanged Spigot - 200mm1 x Male Ducting Connector - 180mm1 x Soler & Palau - HXBR/4-450/H - IP541 x Pallet Delivery Surcharge1 x HXP450/6-1 - 6 Pole - Single Phase1 x Activated Carbon Discarb Cell - 293H x 293W x 598Dmm2 x Elta Wall Cowl SWC56/631 x Activated Carbon Discarb Cell - 598H x 598W x 598Dmm1 x HRB/4-450-30-APN1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x HXP450/4-1 - 4 Pole - Single Phase1 x Elta SCP450-1EC - IP551 x Soler & Palau - HXTR/4-450/H - IP541 x Commercial Activated Carbon Filters - Panel Type - 20" x 20" x 1 - ACP1 x Soler & Palau - HCBT/6-450/H - IP651 x CFI In-line 3000 - Carbon Filter1 x Helios DDF-250 Roof Cowl1 x High Temperature Flexible Connector - 063-800-PU2501 x Elta EC Electronic Controller1 x Helios HQW-450/6 - IP551 x Elta SPA450/46-3AC - IP541 x Helios DDF-315 Roof Cowl1 x Duct Termination with Mesh - 100mm2 x Commercial Activated Carbon Filters - Panel Type - 24" x 24" x 2" - ACP1 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm1 x FUM Mounting Foot for ERM 2501 x Duct Clamps box of 50 - 60mm - 170mm1 x Spigot plate - 125mm1 x Kitchavent 2000 Odour control System1 x Spigot plate - 100mm1 x Soler & Palau - HCBT/4-450/H - IP651 x Elta Wall Cowl SWC25/311 x HRT/4-450/35-BPN1 x MTS10- extractor fan 3 step switch1 x Soler & Palau VFD-T inverter 5 amp IP541 x Classic SAX23/9AR Window/Wall Mounted1 x Flanged Spigot - 315mm1 x Flanged Spigot - 400mm1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x Spiral Duct Grille Termination - 200mm1 x ERM180EXE Bracket1 x Anti Vibration Duct Suspension Rings - 100mm1 x Synthetic Air Filter Media - 15mm x 1000mm x 1000mm1 x Soler & Palau - HCBT/4-710/H - IP651 x Belt Drive Cased Axial Fan - 800mm - L version1 x CC-800-5.5kw1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Soler & Palau TCBT/6-800/L - IP65
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 ...