uPVC Trickle Vents
£19.99 – £24.99Trimvent 4000 Hi Lift is an aluminium slot ventilator that fits over a 13mm slot in a window. 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.
