MaxSeal Sash Lockable Window Insert

MaxSeal Sash Window Pet Door The Ultimate in Sealing, Insulation, and Security The MaxSeal Sash Window Pet Door stands as the epitome of excellence in window pet doors, offering unparalleled sealing, insulation, and security. This innovative pet door features the MaxSeal Pet Door, Dual Flexible Flap Model, known for its pet-friendly design and exceptional weather barrier performance even in extreme environments. The insulated security panel slides from the side, providing a secure lock for the pet opening. As with all Security Boss products, each unit is meticulously handcrafted to order. Key Features: Dual Flap Pet Door: Features the MaxSeal Pet Door, Dual Flexible Flap Model. Offers a near-perfect weather barrier even in extreme conditions. Fully Lockable: The insulated security panel slides from the side, providing a fully lockable pet opening. Dual Pane Glass: Utilizes dual pane thermal glass for optimal insulation. No Permanent Installation: The only dual-pane insu