Discontinued Item: Stanley Prodigy Fiberglass door bottom / sweep;
This slide on door sweep is not available and should be replaced with the U-shape - wrap around style.
Replacement # 840010 Brown or 840011 

Please Note: 

840005 & 840020 will NOT work, Do NOT order these as replacements

Resources:
Guide to Replacing Door Sweeps/Bottoms
Video: How to Replace Door Sweeps