6 Sheets 4"x10.5" 7 Mesh Drainage Screen,6ge-179 6 Sheets 4"x10.5" 7 mesh drainage screen ,6GE-179. Bottom net Standard size holes provides good drainage in all pots.3GE-159 The drainage screen is a very good value and is so convenient to use. It is much easier to use than some other screens or netting I have used. This screen can be cut with standard scissors and it comes in a large sheet for custom cutting to the size needed.