Thermo Sash 3e Pet Door for Sash Windows Width Adjustment Range:35" - 38.5" and still perform reliably for

and still perform reliably for years

exposed drill holes can stand out visually

Weather stripping and a top loading locking cover are included to help reduce drafts and give you control when pets need to stay inside

while the resistance can be adjusted by adding or removing magnets to suit confident dogs or more cautious cats

Thermo Sash 3e Pet Door for Sash Windows Width Adjustment Range:35" - 38.5" and still perform reliably forThe Thermo Sash 3e Pet Door for Sash Windows is built for homeowners who want pet freedom without compromising the performance of their window. By integrating an insulated panel directly into the sash track, it creates a dedicated access point that works with your window rather than replacing it. Cold Weather Performance and Magnetic Sealing At the core is a flexible polyolefin polymer flap engineered to remain responsive even in temperatures down to