Extractor fans non return in comparison

30-day refund, 5 years warranty, 24 7 customer service, and patented design.

The purpose of the check valves (ZZ) is to prevent the effect of back draught which occurs due to various atmospheric factors, e.g. during windy conditions or when the temperature outside the building is higher than the temperature inside

The valve does not affect the passive ventilation in the room

Insert check valve DN 150 mm extractor. Especially suitable for plugging into exhaust hose. Perfect for use in tumble dryers, bathrooms, garages, air conditioners, fans, cooker hoods, ventilation systems

but at the same time do not adversely affect fan capacity in a significant way

Prevents Backdraft Protects your ventilation system by stopping unwanted airflow from returning into your home or building.

With a device such as an exhaust fan, you can get rid of the moisture in the room quickly and effortlessly, and your walls will remain intact for many years.

Quiet Extractor Fan Bathroom our 4 inch bathroom extractor fan runs much quieter than the others and does not disturb you. Ideal for greenhouses, windowless bathrooms, bathrooms, sheds, kitchens, basements, hobby rooms, toilets, workshops, living rooms, attics, showers, restaurants, pet rooms, garages, smoking rooms, offices, exhaust rooms and damp rooms. Designed for small spaces, lighter and thinner, closer to your needs and life.

Purpose Disguises unsightly ventilation openings, seamlessly integrating with your building's exterior aesthetic.

Energy-Efficient & Low Power Consumption Uses just 7W of power, making it an eco-friendly, cost-saving solution for continuous bathroom ventilation.

Plastic ducting air Inlet air outlet with Gravity shutters - 4 inch 100mm round male spigot on the back of the grille for indoor or outdoor use. Designed to terminate your extract duct to an external wall.

Better Bathroom Ventilation This quiet, powerful bathroom extractor fan is a comfortable solution against moisture, unpleasant odours and mould