Features:1) Slides over pipe: for pitch to 40° 2) Rustproof, stamped galvanized 3) Non-fading sealing collar 4) Rated 180°F continuous heat 5) Approved for type B installationsWe can supply Mill aluminum roof flashing, which is used for water proof around chimney, tube and ventilation.Please contact us if you are interested in it. Photos and specifications are available for your requests