Chamberlain® 8808CB-P Belt Drive Rail Extension Kit for 8' High Garage Doors In Stock Handles temperature ranges of negative

Handles temperature ranges of negative 40 to 212-degrees fahrenheit

Creates a permanent airtight

Lasts for 1000 closures - audible snap means it's locked in place

while creating a rigid

Stretch-fit topline binding snugs calf to keep warmth in

Chamberlain® 8808CB-P Belt Drive Rail Extension Kit for 8' High Garage Doors In Stock Handles temperature ranges of negativeThis 8 ft. Belt Drive Extension Kit was designed specifically for use with Chamberlain Whisper Drive and Whisper Drive Plus belt drive garage door openers. Featuring the quick install rail system, this is easily installed with all the necessary hardware and replacement belt. Works on garage doors up to 8 feet high Designed specifically for use with Chamberlain Whisper Drive and Whisper Drive Plus belt drive garage door openers Quick install rail