This durable, double-sided Grodan Gro-Smart Tray is a perfect fit for many of Grodan’s most popular plugs and blocks. The tray’s 78-cell side is ideal for 1.5" A-OK Starter™ plugs and round Macroplugs™, while the mesh side accommodates sheets of A-OK’s, Mini-Blocks, or Gro-Blocks. This tray fits in a standard 10x20 flat, where it keeps the growing medium elevated from the bottom of the flat. Designed specifically for Grodan, this terra cotta-colored tray is dishwasher-safe.