I purchased a Columbia sunset security screen door from Lowes about 4 years ago. I understand these doors are now made by Larson.
On the bottom of the door is a rubber slide in
Paul from SWISCO responded:
July 18, 2014
We carry many different Larson door sweeps. Take a look at the 40-207, 40-208, 40-209 and the 40-210 sweeps.