001005-24 GASKET, WAX W/FLANGE | For installing closet bowls. Horn fits 3 in and 4 in waste lines. Stainless, waterproof; impervious to vermin, odors, gases and acids. Bacteria-free. Makes positive, permanent, sanitary closet bowl seal. Will not dry out or deteriorate. Meets federal specifications TT-P-1536A.