Endura Flap Quick Panel III Patio Pet Door
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The award winning Endura Flap™ Pet Door for Sliding Glass Doors - Quick Panel III™ - is identical to the Thermo Panel IIIe™ except for the use of heavy duty single pane glass instead of dual pane, low 'E' glass. It is appropriate for more temperate climates or where a lighter weight panel is desired. The benefits of the Endura Flap™ are far more important than whether the glass is single pane or dual pane.
The Quick Panel III is the best 'three season' panel due to the high performance of the Endura Flap™. If you add dual pane insulated low 'E' glass, it would be appropriate for four season use. The 'Endura Flap' line of pet doors is the only one that has won the Fancy Publications (Dog Fancy, Cat Fancy) Editors' Choice Award for Creativity and Innovation!
New! Extreme performance Endura Flap™
The best performing pet door flap ever made. Tired of replacing worn out, leaking flaps? You owe it to yourself to investigate the Endura Flap™. See the full story. Want to see an example of a currently popular leaker after some use?
New! Patented, exclusive user adjustable step-over
Lets the user easily adjust the height of the flap above the base of the pet door to fit taller or shorter dogs (see graphic). This greatly increases the flexibility of the pet door for the future
- Small #06 may be set to 3" or 5" step-over
- Medium #08 may be set to 3", 5", or 7" step-over
- Large #10 may be set to 3", 5", 7" or 9" step-over
- Extra Large #12 may be set to 3", 5", 7", 9" or 11" step-over
New! 'High aspect ratio' design
Much easier to fit your pet. Improves security for medium to large sized pets. Easier to share with a smaller pet.
New! Environmentally friendly flap material
New! Provision to add magnets to increase wind resistance
Single-pane, extra-heavy glass
Others use 1/8" glass. The Quick Panel III uses 3/16" -- a full 50% thicker and much stronger.
No tools installation
No tools required even for the sliding door locking device!
Sturdy locking cover
Locks pets in or out. Easy-to-use "clip" lock is better than the old spring loaded pin locks.
'Spring load' design
Can be installed and removed in seconds.
Built in anti-whoops
allows for 3/4" change in adjustment range to accommodate measuring errors
100% Designed, engineered and manufactured in the USA
Superior customer protection
90 day return, 10 year warranty, 15 year warranty on the Endura Flap™ assembly
Available in sizes to fit any sliding glass door or sideways sliding window (minimum track width 1")
- Standard ranges include 74 3/4" - 77 3/4 " and 77 1/4"- 80 1/4"
- Standard 'Oversize' is 93 1/4" - 96 1/4"
Custom height ranges include - email us for pricing
- Custom undersize < 74"
- Custom oversize 81"-93"
Stops air leaks between the stationary and sliding panels when the pet door panel is in place.
Optional Bug Blocking Bug Warden
Provision to lock sliding glass door securely with a "C" clamp type lock
Important Information about Custom Heights
Custom height patio panels are important in two situations. First, while most sliding glass door track heights are in the three standard height ranges offered, some are not. In those cases, we can build a Quick Panel III™ in a custom height to fit your specific dimension. The second situation is where you have a sideways sliding window. This is actually a miniature sliding glass door and you can install a custom height undersize Quick Panel III™ to fit in those cases provided the window track width is at least 1".
Remember that the Quick Panel III™ is built with a 3" spring-loaded height adjustment. When you order in one of the custom height ranges, you will be prompted for your track height. The patio panel will be built to a height that is approximately in the middle of this 3" range. For example, if you specify 40", your panel will be built to adjust from about 38" to 41".
There are limits to the heights that we can manufacture which result from the height of the flap assembly, which is fixed, and limits to the packaging that can be shipped safely. Here are the height ranges that we can accommodate:
|Custom Height Minimum & Maximum Heights|
|Extra Large #12||46"||123"|
Note Endura Flaps™ are not recommended for use by kittens or tiny dogs.
1 Step over is the height of the flap above the base of the pet door. We suggest that 'flap height' + 'step-over' should about equal pet shoulder height. Unlike any other panel pet door on the market, the Thermo Panel IIIe™ and Quick Panel III™ can be adjusted by the user to the step-over dimensions shown in 2" increments.
2 Custom orders cannot be resold. Therefore, they must be a final sale once built. Note that the glass units for custom height orders take one to two weeks for delivery from the tempering plant and that we need about a week to schedule the assembly after the glass unit arrives. So, even though your custom order must be pre-paid, delivery will take 2-3 weeks depending upon your location.