These trays are designed to fit the Normset tray base, the trays come in packs of 2 and are available with either 6 cells or 8 cells. The 6 cell trays have larger cells for bigger plug plants. You can choose between the two using the 'Tray' Tab above.
6 Cell tray: 26cm L x 14cm W x 6cm D
8 Cell tray: 26cm L x 14cm W x 6cm D