MODEL 1100 SANITARY VENT TRI-CLAMP END CONNECTION; 6"; 316 SST, NO 3/4" BLANKET CONNECTION; SPECIAL SEAL MATERIAL; SUPPLIED WITH SPECIAL CLAMPS AND GASKET MATERIALS; SANITARY CONSTRUCTION- CLEAN PER SPEC. #S-1576; PER SPQ NUMBER 57585 WITH AFLAS SEAL MATERIAL; STD CLAMPS AND AFLAS GASKETS; SPECIAL WEATHER HOOD FOR EXTERIOR INSTALLATION; NO LUBRICANTS ALLOWED;