Super Sprouter Quad Thick Tray-No Hole -10" x 20" (Case of 25) w/ cable Features a robust ferrite bead

Features a robust ferrite bead for effective suppression of electromagnetic interference (EMI)

which will make your plant less sensitive to stress factors such as heat

high temperature shut-off

Bulk electrical conductivity of soil measures the total conductivity

Super Sprouter Quad Thick Tray-No Hole -10" x 20" (Case of 25) w/ cable Features a robust ferrite beadThese reusable trays are built tough for long lasting durability! They are injection molded, where as most 10 x 20 trays are vacuum formed. They are four times the thickness of regular 10 x 20 trays. No need to use multiple trays to gain strength when one quad thick tray will do the trick. The tray insert has a perforated bottom for easy drainage. Case of 25