With aeration: YE01.1 (type D150) suitable for : type 05KD, 10KD, 05KK, 10KK, 20KK, 05KT, 10KT, 20KT, 10K. Without aeration: 1E1E.1 (type D151) suitable for: type 10D, 10DI, 20KDL, 20KTL.