HURI Carburetor Primer Bulb Gasket for Echo SRM-210 SRM-210i SRM-210SB SRM-210U SRM-211 SRM-211i SRM-211SB SRM-230 SRM-230S SRM-230U SRM-231 SRM-231S SRM-231U Replacement parts,non original Replace A021000721 A021000722 A021000723 A021000382 For ZAMA RB-K75 Package include 1pc carburetor + 2pcs primer bulbs + 2pcs gaskets + 1pc HURI pocket tape Note:you could apply for a full refund if you didn't receive HURI branded pocket tape.