Please note that the Safeway Gate (KD-G20), the Safeway Angle-Mount Gate (KD-G22) and the Angle Mounted Wood Safeway Gate (KD-G32) may all be installed across window frames to provide window safety. However, a special hardware kit must be requested. Window Vent Lock $8.00 Deluxe Window Guard (Small) $55.00 Deluxe Window Guard (Medium) $60.00 Deluxe Window Guard (Large) $70.00 Blindwinder Blind Cord Keeper $10.00