DOP30-406 HONDA air filter and pre-filter fits models GX240, GX240K1, and GX270. For 8 HP horizontal engines. Size: 4" L x 3-9/16" W x 3-1/16" H. Replaces # 17210-ZE2-505 Code # 5266721, 17210-ZE2-515, 17210-ZE2-821 Code # 2893899, and 17210-ZE2-822.