From: Greenhouse Equipment and Accessories : Shelving & Seed Tray Racks
Easy to fit aluminium Hanging Shelving providing extra storage & growing areas in even the busiest greenhouses.
Trays - 7/8" (22mm) deep reversible gravel trays. Use as a flat shelf or reverse to hold gravel or water matting. The 6" (15cm) wide trays are handy for small pots & tools and the 10" (25.5cm) wide trays neatly accommodate seed trays.
Supplied in pairs - sufficient brackets (two per 34"/ 86.5cm, three per 58" / 147.5cm shelf) supplied to enable shelves to be hung individually or one underneath the other giving a minimum growing height of 10" (25.5cm) on each level.