Andersen Gliding Door Fuzzy Weatherstrip for Operating Bottom Rail 

This is the weather-strip Only, does not come with plastic channel

Andersen Primed wood and Pre finished Terratone gliding doors

Unit Size: Fits 8' Two-panel or 12' Three-panel door
Fits: 3' panel used on 8' or 12' sliding patio doors

Related Andersen Primed Wood Door Parts:
1275504 - Weatherstrip - Operating/Bottom Rail - Unit No. 6/9
1275604 - Channel - Operating/Bottom Rail - Unit No. 6/9
1275606 - Channel - Operating/Bottom Rail - Unit No. 8/12

For more information, please read article: Identify Your Andersen Weatherstrip
or download a Worksheet in PDF format to help you decipher which door you have.