Trimvent 2000 Trickle Vent is an aluminium slot ventilator that fits over a 13mm slot in a window, providing a healthier indoor air environment in the home giving the occupants greater comfort and control with no compromise on security.When fitted with the Trimvent 2000 Canopy, this vent provides an Equivalent Area (EA) of up to 1600mm².It has been specifically developed for recent revisions to Part F of the Building Regulations for Ventilation (England & Wales), is optimised for use with the Scottish Technical Standards, and to improve performance for requirements throughout the UK and Europe.Ideal for use on new build properties or window refurbishment projects in existing properties and suitable to be used on timber, aluminium, or PVCu windows.Trimvent ventilators have been specified and fitted on millions of windows throughout the UK and mainland Europe for 25 years. The collection of vents are manufactured by Titon™ from aluminium giving your window a high-end feel.Fits 13mm slot in the head or the top rail of the windowMeets the requirements set by the Building Regulations F1 - 19951600mm² EA available air openingCompression closing actionInfinitely variable openingSelf-location over slotHigh securityIdeal for night ventilationAvailable air openings quoted are for vent and canopy combinationCanopy with mesh or grille protects against the ingress of rain and insectsTough plastic linkages ensure constant friction and smooth actionOverall length: 255mm x 17mmSlot Size: 223mm x 13mmAvailable in Black, Brown, and WhitePlease Note: Fixings are not included.