Rust Proof Gray SF-24 Single-Post Spa Support Rail for in-ground Spas and Partially Submerged Spas. Includes matching color escutcheons and freight (18" Wide x 24" Tall. Horizontal bar clears 5" Spa Side) Escutcheons Included Colors are an integral part of the material and not a paint after-coat, so they will never chip or flake off. Maintenance-Free Material and Finish. Non metallic composite material does not get hot in the sun. Immune to the corrosive effects of Salt Water Chlorinator Systems. Five year Non Pro-Rated Manufacturer Warranty. Non-conductive material conforms to NFPA and building codes without having to ground (bond) the rail.