Collar, Rubber, converts 1.5" - 2" opening to .5" - 1"

0.5" - 1.125" Dia., 9"x12.5" Aluminum Base, Clear, Qty. 1

0.5" to 1" dia, 18" x 18" Aluminum base, Aluminum No-Calk Roof Flashings, Clear, Qty. 1

1.25"-1.65" Dia., 9"x12.5" Galvanized Base, Clear, Qty. 1

0.5" to 1" dia, 11" x 14.5" Galvanized base, No-Calk Roof/Solar Flashings, Black, Qty. 1