The STIHL 42475000901 spray lance is an authentic OEM replacement part designed for use with STIHL SR 430 and SR 450 backpack sprayers. This essential component provides precise application and extended reach, crucial for effective pest control, fertilization, and other spraying tasks. Manufactured to STIHL's rigorous quality standards, it ensures durability and seamless compatibility with your existing equipment, maintaining the sprayer's original performance.