Window Grille Insert, Trickle Vent, Wooden / Plastic Windows
Grille Size: 192mm X 17mmSlot Length: 170mm. Grille Size: 400mm X 17mmSlot Length: 352mm. Grilles for use with Trimvent Select S13 fits into a 13mm slot in a window and provides an Equivalent Area (EA) of 2700mm².