Sliding Door Dog Door Insert,07"x 11" Flap Insert Size for Doggy Doggie

• Adjustable Height Doggie Door Insert：The sliding glass door dog door features 75 5/8"-80 3/8" adjustable height range (0.7" thickness) for door tracks over 0.7" width, ensuring perfect fit with patio door insert systems while maintaining structural integrity.
• Pre-Assembled Pet Door Installation: Our pre-assembled dog door insert with spring-loaded mechanism can be slid into the sliding door track tool-free within minutes. The main door panel is pre-assembled, and reinforcement accessories for stability require separate installation with screws.
• Medium Dog Sliding Door Solution：Specially designed 7"x11" flap opening accommodates medium dogs up to 35lbs (7" width limit), making this tempered glass pet door ideal for standard-sized breeds.
• Weatherproof Sliding Door Insert：Magnetic sealing flap + windproof strip + insulated closure panel create triple protection against rain/wind/insects, with aluminum frame dog door​​ maintaining indoor temperature stability.
• Secure Locking Dog Door System：Includes patio door lock plugin for dual security: lock both sliding glass pet door and main door independently, featuring tamper-proof insert​​ mechanism.

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