100mm² 4″ Round Plastic Air Ventilation Grilles Covers

Air vent covers
By installing an air vent cover, rooms can be ventilated continuously, creating and maintaining a healthy indoor climate. These vents are designed to promote airflow and improve ventilation. A ventilator grill helps prevent mould from accumulating by allowing air circulation.

This plastic grey fixed blade grille has 100 mm² 4″ internal diameter duct connection size. The overall dimension of the grille is 155 mm² x 155 mm².
Premium quality temperature and UV-resistant anti-static plastic that prevents the item from discoloring. Weatherproof louvered blades assist in reducing the effects of wind and rain.
Louvre air vent grille to be used for the supply air and extract air of ventilation and air conditioning systems. Designed to fit any extractor fan, cooker hood, or duct to both: an external and internal wall.

Simple and secure to fit with flush mounted fasteners. The louvre can be flicked open with flat head screwdriver which makes the ventilation grill installation and maintenance simple. The product is equipped with a protecting insect screen to prevent insects from entering.
Ideal for roof soffit, fascia mounting. Suitable to use in compliance with Part F Building Regulations. This ducting outlet can be used as a part of a long ductwork run for a variety of purposes including whole-house ventilation, passive stack vent, air conditioning, HVAC, and Heat Recovery Systems. Great for ducting your bathroom vent cover, Toilet, or Kitchen extractor fan, Air vents for shed, In-Line Extract Fans, or Cooker Hood, Hydroponics