Automatic window closer-no electricity or batteries required! You’re probably familiar with the problem of windows left tilted open for too long! See for yourself how convenient it is when your windows close on their own and your rooms no longer get cold. FOR ALL STANDARD TILT-AND-TURN WINDOWS! WINFLIP® closes your windows, too! Suitable for wood, PVC, and aluminum windows. Fits left- or right-hinged windows as well as double-hung windows. Ideal for bathrooms, toilets, kitchens, and bedrooms. EASY TO INSTALL AND EASY TO USE! No special technical knowledge required. The colorful, clearly illustrated installation instructions allow even inexperienced DIYers to install it themselves. (See installation video) ADJUSTABLE VENTILATION TIME! With its continuously adjustable closing time (approx. 5 min. to 5 hr.), WINFLIP® guarantees optimal ventilation for every room. Closes absolutely silently and with adjustable closing force. NO ELECTRICITY OR BATTERIES REQUIRED! Guaranteed reliability, as no additional power sources are needed. INCREASED LIVING COMFORT AND MANY OTHER BENEFITS! Protects against break-ins, no more cold rooms, makes ventilation easier for children and the elderly, prevents mold growth, and much more. https://elecena.pl/product/18522774/winflip-winflip-r-automatic-window-closer 2021-05-20 https://elecena.pl/product/18522774/winflip-winflip-r-automatic-window-closer 2026-09-15