Specification?? The use of stainless steel molecular material, durable, durable and sturdy.Good workmanship of polished finish processing makes it high standard.This part fits pump parts in following machines: Sprayer 5900 7900 etc. Features:,Highest after-sales guaranteeLow cost,Highest cost performanceBrand New & High Quality Durable and easy to installSufficient warranty time and Good after-sales service Package Included:1 Pack Drain ValveAs Picture Show, Contact Us If Receive With Missing Parts.