RW Simon window night vents / trickle vents. Can be fitted to give upward or downward airflow. Airflow performance: 3180mm² Equivalent Area - independently tested to BS EN 13141-1:2019. Integral fly screen in external hood.
eBay
Greenwood 8000² Trickle Vent UPVC Timber Windows Slot Vent Length 557mm PVCU. Upward air deflection also ensures maximum comfort for the end user. 1 x Louvered grille. Rout detail: Cut 2 slots of 235mm x 18mm.
eBay
The Trickle Vents 200mm in grey colour are designed specifically for UPVC and aluminium windows and doors. Made in the United Kingdom, these vents feature venting capabilities and a universal/reversible window handing. The sleek grey exterior and interior colour make them suitable for any room in a new construction project. Perfect for improving air circulation in UPVC and aluminium windows, these trickle vents are a practical and stylish addition to any home.
eBay
eBay
Crafted from the finest U.V. stabilised PVCu, the vent features a sleek, rounded design with softer lines for both durability and aesthetic appeal. Versatile Compatibility: Suitable for PVCu, timber, and aluminium windows.
eBay
Titon Trickle Vent UPVC Window Slot Vent Reduces Condensation Select Xtra XS13.
eBay
Suitable for uPVC, wood and aluminium windows. remium Quality RW Simon Trickle Vents. Secure ventilation. The vents have a switch on the internal canopy which allows you to open and close the vent with ease.
eBay
Airspace 375mm vent = 4,731mm sq.”. Airspace 275mm vent = 3,136mm sq.”. Airspace 200mm vent = 2,210mm sq.”. Current building regulations require background ventilation to be provided in all rooms of not less than 4000mm².
eBay