Drops into a sash window: Sits in the lower half of a double-hung sash window, raised by the upper sash Three flap sizes: Small, medium, and large for cats and small to mid-size dogs Widths 21.5" to 44": Adjustable in 1.5" bands across the stock range, with a custom-width option Black aluminum frame: Made to blend with darker window framing and casings Made in USA, locking cover included: Built domestically and backed by a 3-year warranty The Liberty Pet Door for Black Sash Windows is a removable panel for double-hung sash windows with a black frame. The bottom sash slides up, the panel drops into the opening, and the sash closes back down onto the panel. No cutting, no drilling.Heavy aluminum frame in black, with three flap sizes (small, medium, large). Stock widths run from 21.5" to 44" in 1.5" bands, with a custom-width option for non-standard sashes. A locking cover is included. The frame includes safety glass above the flap area so the closed window still reads as a window.Before ordering, measure the inside width of your window sash, left edge to right edge. Pick a width range that brackets your measurement. If your window is white, use the white sash version. For cat-only homes, the cat-sized sash panel is smaller and costs less.Made in the USA and backed by a 3-year warranty. Easy DIY install, no tools required.
