Super Sprouter Quad Thick Tray Insert (50/Cs)
Super Sprouter Quad Thick Tray Insert (50/Cs) at HorticultureSource.com -
These trays are built tough. They are four times the thickness or regular 10 x 20 trays. No need to use multiple trays when one 10 x 20 tray will do the trick. The tray insert has a perforated bottom to allow for easy drainage.