VENTS UK Vents 4 inch 100 mm Black Plastic Fixed Blade Grille with Fly Mesh 4 inch Rear Spigot for Internal External Air Vent Cover Wall Ceiling Mounting Louvre Grill Insect Screen Bathroom Ventilation

This plastic black fixed blade grille has 100 mm 4" dia duct connection size. The overall dimension of the grille is 155 mm x 155 mm. Premium quality temperature and UV-resistant anti-static plastic that prevents the item from discolouring. 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. To offer you a complete solution for your ventilation needs, we also supply three different sizes to fit 100 mm 4", 125 mm 5" and 150 mm 6" duct or extractor fan connections. For full range of our products (extractor fans, vents and grills, ducting, heat recovery Systems) please type VENTS and the relevant product in Amazon search bar. VENTS products covered by 100% Satisfaction Guarantee.