The Trykvent Trickle Vents from Titon have been specifically designed for high-performance timber windows. Easy to operate with its press to open and close function, this vent will ensure your home is well ventilated while remaining secure so you can ventilate while away without opening windows.Compatible with a selection of our Titon canopies including:XC16 Trimvent CanopyPG16 GrilleGN16 GrilleTV90 Hi-Lift CanopyFeatures & Benefits:Easy to operatePress to open & close principleEasily removed without damage to the productHigh quality, robust operating mechanismAvailable in White or BrownAvailable in 2 sizes: 283mm or 389mmCompatible with XC16 Trimvent Canopy, PG16 Grille, GN16 Grille and TV90 Hi-Lift CanopyTRK283 Dimensions: 283mm x 27mmSlot Size: 151 x 10 x 151mm x 16mmTRK389 Dimensions: 389mm x 27mmSlot Size: 226mm x 16mmPlease Note: Fixings are not included.