... suitable for 75mm and 90mm main feed line Forper galvanized boot transition is used to connect silo to flex-auger delivery ... included. ItemDescriptionHLSB75S175mm boot transition,straight,singleHLSB75S275mm boot transition,straight,twinHLSB75S375mm boot transition,30 degree,singleHLSB90S190mm boot transition,straight,singleHLSB90S290mm boot transition,straight,twinHLSB90S390mm boot transition, 30 ...