Window Trickle Slot Vent 407mm Brown for uPVC Double Glazing

Through Frame Trickle Ventilators Trickle Vents allow you to have a small aperture in a window for a controlled amount of ventilation TTF slimline ventilator

Geometric Slot size required Dimensions equivalent area free area Internal vent External canopy grille Ultra

pistol4d slot In my UPVC windows there is rain deflector grill cover on the outside and a cover with a shutter on the inside A slot about 10mm high is cut

slot canyon hike The film infers that it is not necessary to cut a continuous slot and that it is ok to just drill a series