10 pack purge for primer bulb, product code 530058709, a reliable replacement solution compatible with trimmer blower pole saw models including SRM210 SRM225 SRM2100 SRS2100 PE200 PB200 ES210 PAS211 HC150 SHC210 and For Mantis tiller carburetor 7222 722E 7222M 7225 7230 7234 7240 7920 7924 Function: Designed to work effectively as a purge for primer bulb to ensure consistent fuel flow in small engine equipment such as For Husqvarna 124C 124L 125C 125E 125L 125LD 125LDX 125R 125RJ 128C 128CD 128L 128LD 128LDX 128R and For P1500 P2500 P3500 P4500 PP025 PP125 Material and durability: Long lasting plastic construction for long service life and stable performance under regular use across general outdoor power tools including FS38 FS40 FS45 FS46 FS50 FS55 FS56 For FS80 FS85 FS87 FS90 For FS100 FS110 FS130 FS170 FS175 FS310 FR130 FR135 FR85 FT100 FC55 FC56 FC70 FC75 FC85 FC90 FC100 FC110 Easy installation: Simple to insert and with no special tools required, providing a quick way to restore proper priming function on compatible devices such as RBK93 RBK75 C1UK54A C1QS97 C1QS174 RBK106 WT973 carburetor systems Use scenarios Replacing a worn or failing primer bulb purge on trimmer and blower tools to restore reliable fuel priming for SRM and Husqvarna models listed above Servicing a Mantis tiller carburetor in models 7222, 722E, 7222M, 7225, 7230, 7234, 7240, 7920, 7924 to maintain steady fuel flow Performing routine maintenance on FS series outdoor power tools (FS38, FS40, FS45, FS46, FS50, FS55, FS56, FS80, FS85, FS87, FS90, FS100, FS110, FS130, FS170, FS175, FS310) to ensure quick installation and continued priming performance