Upgraded thicker universal reducer for ventilation systems 80/200mm diameter round PVC pipe reducer used with air conditioning for ducts and exhaust fans (8-20cm) (1/5)

Upgraded thicker universal reducer for ventilation systems 80/200mm diameter round PVC pipe reducer used with air conditioning for ducts and exhaust fans (8-20cm)

~~£15.66~~

Free shipping

150-100mm Air Duct Reducer Adapter with 2 Stainless Steel Clamps, Round Ventilation System Pipe Connector, Air Conditioner Duct Reduction Fitting for Factory, Apartment, Bathroom Ventilation Tube (1/4)

150-100mm Air Duct Reducer Adapter with 2 Stainless Steel Clamps, Round Ventilation System Pipe Connector, Air Conditioner Duct Reduction Fitting for Factory, Apartment, Bathroom Ventilation Tube

[NEVER USED] 150-100mm Air Duct Reducer Adapter with 2 Stainless Steel Clamps, Round Ventilation System Pipe Connector, Air Conditioner Duct Reduction Fitting for Factory, Apartment, Bathroom Ventilat (1/4)

[NEVER USED] 150-100mm Air Duct Reducer Adapter with 2 Stainless Steel Clamps, Round Ventilation System Pipe Connector, Air Conditioner Duct Reduction Fitting for Factory, Apartment, Bathroom Ventilat

75mm to 60mm Air Outlet Adapter Duct Reducer for Webasto Diesel Heaters Compatible with Heating Air Outlet Systems (1/5)

75mm to 60mm Air Outlet Adapter Duct Reducer for Webasto Diesel Heaters Compatible with Heating Air Outlet Systems (2/5)

75mm to 60mm Air Outlet Adapter Duct Reducer for Webasto Diesel Heaters Compatible with Heating Air Outlet Systems (3/5)

75mm to 60mm Air Outlet Adapter Duct Reducer for Webasto Diesel Heaters Compatible with Heating Air Outlet Systems

~~£46.11~~

75mm to 60mm Air Outlet Adapter Duct Reducer for Webasto Diesel Heaters Compatible with Heating Air Outlet Systems

~~£33.77~~

Duct reducer 150mm to 100mm, ABS connector, stainless steel clamps, for ventilation and air conditioning (1/5)

Duct reducer 150mm to 100mm, ABS connector, stainless steel clamps, for ventilation and air conditioning (2/5)

Duct reducer 150mm to 100mm, ABS connector, stainless steel clamps, for ventilation and air conditioning (3/5)

Duct reducer 150mm to 100mm, ABS connector, stainless steel clamps, for ventilation and air conditioning

~~£45.81~~

Portable Air Conditioner Hose Reducer, Ø 100–150 mm Reducer with 2 Stainless Steel Clamps, Universal Adapter, Duct Reducer for Ventilation System (150-100 mm) (1/4)

Portable Air Conditioner Hose Reducer, Ø 100–150 mm Reducer with 2 Stainless Steel Clamps, Universal Adapter, Duct Reducer for Ventilation System (150-100 mm)

~~£38.99~~

Free shipping

Portable air conditioning hose reducer, 150-100 mm adapter, with 2 stainless steel clamps, ABS reducer. (1/5)

Portable air conditioning hose reducer, 150-100 mm adapter, with 2 stainless steel clamps, ABS reducer. (2/5)

Portable air conditioning hose reducer, 150-100 mm adapter, with 2 stainless steel clamps, ABS reducer. (3/5)

Portable air conditioning hose reducer, 150-100 mm adapter, with 2 stainless steel clamps, ABS reducer.

Free shipping

[NEVER USED] Black conversion interface for fresh air system, square to round flange interface, fan vent, exhaust port (1/4)

[NEVER USED] Black conversion interface for fresh air system, square to round flange interface, fan vent, exhaust port (2/4)

[NEVER USED] Black conversion interface for fresh air system, square to round flange interface, fan vent, exhaust port

150 mm ventilation hose connector – round, galvanized steel for ventilation hoses, air conditioners, exhaust hose adapter – indoor/outdoor connection, hose (1/5)

150 mm ventilation hose connector – round, galvanized steel for ventilation hoses, air conditioners, exhaust hose adapter – indoor/outdoor connection, hose

Universal Improved Thicker Reducer for Ventilation Systems 100/200mm Diameter PVC Round Pipe Reducer Used with Air Conditioning for Ducts and Exhaust Fans (10-20cm) (1/4)

Universal Improved Thicker Reducer for Ventilation Systems 100/200mm Diameter PVC Round Pipe Reducer Used with Air Conditioning for Ducts and Exhaust Fans (10-20cm)

Free shipping

Improved, thicker universal reducer for ventilation systems, 80/200mm diameter, PVC round pipe reducer used with air conditioning for ducts and extraction fans (8–20 cm) (1/5)

Improved, thicker universal reducer for ventilation systems, 80/200mm diameter, PVC round pipe reducer used with air conditioning for ducts and extraction fans (8–20 cm)

~~£57.64~~

Free shipping

Improved, thicker universal reducer for ventilation systems, 80/200mm diameter, PVC round pipe reducer used with air conditioning for ducts and extraction fans (8–20 cm)

~~£93.11~~

Free shipping

Air Conditioner Hose Adapter, Reducer 125mm to 150mm, White ABS Plastic, For 5 Inch and 6 Inch Ducts (1/5)

Air Conditioner Hose Adapter, Reducer 125mm to 150mm, White ABS Plastic, For 5 Inch and 6 Inch Ducts (2/5)

Air Conditioner Hose Adapter, Reducer 125mm to 150mm, White ABS Plastic, For 5 Inch and 6 Inch Ducts (3/5)

Air Conditioner Hose Adapter, Reducer 125mm to 150mm, White ABS Plastic, For 5 Inch and 6 Inch Ducts

~~£49.74~~

ABS duct adapter 150 mm to 100 mm – Ventilation reducer for air extractor – Pack of 2 (1/4)

ABS duct adapter 150 mm to 100 mm – Ventilation reducer for air extractor – Pack of 2 (2/4)

ABS duct adapter 150 mm to 100 mm – Ventilation reducer for air extractor – Pack of 2

~~£32.22~~

Silent 3/4" 25mm Air Compressor – Noise Reducer for Screw and Piston Compressors – Effective Dust Filter (1/5)

Silent 3/4" 25mm Air Compressor – Noise Reducer for Screw and Piston Compressors – Effective Dust Filter (2/5)

Silent 3/4" 25mm Air Compressor – Noise Reducer for Screw and Piston Compressors – Effective Dust Filter (3/5)

Silent 3/4" 25mm Air Compressor – Noise Reducer for Screw and Piston Compressors – Effective Dust Filter

~~£24.99~~

Free shipping

Advice from

Bathroom ventilation buying guide

Ventilating your bathroom helps to reduce excess humidity, which is essential for protecting the surfaces of your bathroom and avoiding health issues. From whole-house ventilation systems to window or wall-mounted extractor fans, read on for tips on how best to ventilate your bathroom.

Read our guide

Air duct reducers

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Bathroom ventilation buying guide