Filter System Wall Mounting Bracket, for 3 Standard Housings or up to 5 Stages, Lip Down Wall Mounting Bracket for 3 Standard (2.5" Diameter) Filter Housings, Lip Down for up to 5 Stage System Heavy-duty steel construction provides a stable foundation for your RO System or Filter Assembly Attractive white powder coating finish protects against rust Pre-drilled holed allow for easy mounting to housings and wall