409mm EA3800 Brown MJ4000 Trickle Slot Vent for uPVC, Timber, Vinyl and Aluminium Window Prevents Condensation, Damp & Mould by Air Ventilation Adjustable Flap

Product description

• Prevents Condensation, Damp & Mould By Providing Controlled Ventilation
• Tested in accordance with BS EN 13141-1 2004. Acoustic test were conducted in accordance with BS EN 20140 -10 1992.
• Ideal for use on PVCu Aluminum, Wood, Vinyl or Timber Double Glazed Windows
• Manufactured using ASA material giving it a better UVA stabilization for colour retention, Robust and elegant finish, stronger & a more rigid product.
• Can be used as a replacement for existing Vents. As MJ Vents conforms to and is in accordance with the current Building Regulations.