FREE Delivery to Mainland UK Addresses for Orders over £300 + VAT 

  • Access Doors
  • Air Valves & Diffusers
  • Back Draught Shutters
  • Clamps
  • Dampers
  • EPP Ducting
  • Flexible Ducting
  • Sealants
  • Semi Rigid Ducting System
  • Suspension Rings
  • Worm Drive Clamps


Semi Rigid Radial Ducting - The BlackFlex Spectra 200 ventilation ducts by inGremio are used for air transfer in ventilation and recuperation systems in residential, public and industrial buildings. We also offer a variety of Manifold Boxes to suit all property types / sizes

BlackFlex 200-75-50
BlackFlex Spectra-200 75mm x 50m
£ 115.83 115.83 GBP
AirBox Spectra with side inlet 160-6x75
Distribution AirBox Spectra with side inlet 160-6x75
£ 61.05 61.050000000000004 GBP
Ceiling Plenum Spectra - Vertical - 125-2x75
Ceiling Plenum Spectra - Vertical - 125-2x75
£ 16.17 16.17 GBP
AirBox Spectra with side inlet 160-10x75
Distribution AirBox Spectra with side inlet 160-10x75
£ 115.17 115.17 GBP
COUPLER 160
Ventilation Duct Coupler, PP (160 mm)
£ 10.56 10.56 GBP
T 160
Ventilation Duct Tee, EPP (160 mm)
£ 52.75 52.75 GBP
ELBOW 160
Ventilation Duct 45 degree/90 degree elbow, EPP (160 mm)
£ 49.22 49.22 GBP
PIPE 160
Ventilation Duct, EPP (1500mm Long) (160 mm)
£ 94.94 94.94 GBP
ZKD-W DN75
End cap 75 (Red)
£ 0.58 0.58 GBP
UKD M75 - O-Ring 75mm
Universal O-ring Seal 75mm
£ 0.41 0.41000000000000003 GBP
MKD M75 - Duct Connector 75mm
Semi-Rigid Duct Connector 75mm
£ 0.71 0.71 GBP
PH/75
Pipe Holder 75
£ 1.36 1.36 GBP
Air Valves Square 125
Supply/Exhaust Air Valves Square 125 - Flat
£ 21.69 21.69 GBP
Air Valves 125
Supply/Exhaust Air Valves 125 - Flat
£ 27.13 27.13 GBP
Air Valves 75
75mm Supply/Exhaust Air Valves with Fixing Collar
£ 11.03 11.03 GBP
Exhaust Air Valves 125
125mm Plastic Exhaust Air Valve with Fixing Collar
£ 11.91 11.91 GBP
Supply Air Valves 125
125mm Plastic Supply Air Valve with Fixing Collar
£ 10.39 10.39 GBP
Ceiling Plenum Spectra - Horizontal
Ceiling Plenum Spectra - Horizontal - 125-2x75
£ 9.57 9.57 GBP
Stainless Steel Intake/Exhaust Vent 160
Stainless Steel Intake/Exhaust Vent 160
£ 56.13 56.13 GBP