Neelaadri True Frames is the best manufacturer of UPVC Ventilators windows in Bangalore. UPVC Ventilators are uPVC windows that are operable both inwards and outwards through hinges attached to the frame. With the use of modernized high-quality sashes within the ventilator hardware, these uPVC ventilators operate smoothly and easily. The window ventilators supply fresh air to the habitable interior spaces. Through a window ventilator, fresh air flows naturally through airtight windows.