Commercial gray Ebb & Flow bench tray for compatible Staal Plast cultivation-table systems. Staal Plast bench trays are manufactured from high-impact polystyrene for greenhouse, nursery, indoor-cultivation, propagation, and other controlled-environment irrigation applications. Features High-impact polystyrene construction UV-stable material for commercial horticulture Designed for Ebb & Flow irrigation and drainage applications Smooth cultivation surface for easier cleaning Compatible tray sections and drainage components available by series Recyclable material Selection required: Confirm the tray series, exact dimensions, thickness, drain or valve-sump configuration, color, and compatible support structure before ordering. Product images may show a complete assembled system; this listing includes only the selected tray or tray section unless otherwise stated.