Home > Products > Public Seating > Shool Desk& Chair > SD-175 is a traditional and basic system for schools and colleges that has the enormous installation records. Desk Variation SD-175: Standard MDF worktop SD-175-PG: Optional P.C. cable management type with power and data sockets. Chair Variation SD-175: Standard wooden seat and back SD-175U: Fully fabric upholstered seat and back SD-175PD: Wooden back and padded seat public seating│theatre seating│convention seating│cinema seating│planetarium seating stadium seating│auditorium seating │telescopic seating│bleacher│retractable seating school chair│school furniture│ lobby chair