Bottom of a double hung widow weather T strip/ bubble?

Question

I dont have the name of the window it has a T insert with a bubble and a 1/2"

Jasmine · Accepted Answer

Thanks for your post! This weatherseal is similar to two foam filled bulb weatherseals we have. Take a look at the 58-171 and 58-182.

Carefully look over each of their specifications to determine which of these might be the best fit.

Profile diagram of 58-171

Profile of 58-182