Security Boss Standard Dog Door for Sliding Door - Heavy Duty Aluminum Frame - Customizable To Your Specific Door Measurements - Multiple Pet Flap Sizes - Durable Sliding Glass Door Doggie Door Insert

The SB Standard Patio Pet Door Insert is offered in 4 height ranges that is designed to fit all sliding door heights from 70" to 99". The top of the patio dog door features an adjustable spring loaded extension that can be locked into place by tightening thumbscrews, securing the panel in place. Locking the top extension will prevent someone from compressing the top from the outside, gaining access to your home. These Security Boss Patio Inserts include two 2" snap on extensions to adjust the overall insert height. These extensions are rock solid when snapped together and require NO TOOLS or DRILLING. The SB Standard Utility Pet Door comes in 4 pet opening sizes and various step over rise heights to choose from to ensure a comfortable opening for your pet. The heavy duty aluminum frame is powder coated in white, and the weatherized flap is clear. There is a 1/2" thick blocking panel that is included to control animal access. This patio dog door can be inserted and removed in minutes, and is temporarily installed making it a perfect choice for renters!

• UNIVERSAL FIT: Multiple sizes, a spring-loaded adjusting mechanism, and available extensions.
• SECURE + WEATHER-TIGHT: Fits tight into your sliding door tracks, with superior weather stripping.
• EASY INSTALLATION: Pop into your sliding door tracks, tighten two thumbscrews, and you’re done!
• UNIQUE FLAP DESIGN: UV treated flap with magnets and dense brushing creates a usable yet firm seal.
• BLOCKING PANEL: Included HDPE blocking panel - nothing goes in or out without your permission.