COMMERCIAL GRADE: Constructed of durable chrome plated brass and features a stainless steel handle and strainer 3.5" DRAIN: Compatible with commercial compartment sinks that have a 3.5" drain opening. Works with Kratos and many other top selling compartment sink brands! PREVENTS CLOGS: The strainer helps prevent large waste from clogging pipes, keeping your sink operating smoothly and without issue EASY TO USE: Simple to install and use, this waste valve features a convenient twist handle, enabling you to adjust the flow rate of water Kratos valves and sink accessories are perfect complements to Kratos compartment sinks. Twist handle waste valves are easy to install accessories, ensuring that large waste is kept from clogging drains. The body is constructed of rough chrome plated brass, stainless steel handle, and strainer. It is an essential item to pair with Kratos compartment sinks in any back of house setting. Get yours today!