This gray vinyl seal is used on the header and sill of some models of jalousie window. It is 7/8" tall. The T at the top is approximately 5/32" wide.
Price is for one 10-foot length.
Known to work on 1960 Globestars, 1963 Little J trailers, 1965 Catolac DeVille, 1967 Fleetwood trailers and many, many other trailers. Also works on louvered VW Westaflia windows from 1968-79.