Wall Mounting Bracket for 3 Standard Filter Housings or up to 5 Stage System, Lip Up Wall Mounting Bracket for 3 Standard (2.5" diameter) Filter Housings or up to 5 Stage System, Lip Up 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