Deep Rootrainer Seed Starter, Plastic 11-1/2" L x 9" W x 3-1/2" H Overall, 32 Cells 1-1/2" Square x 5" H Each, Holding Tray and Dome Included, Promotes Downward Root Growth, Reusable :
28 Cell Deep Root Success Kit - Greenhouse Sensation
Deep Rootrainers | Propagation | Haxnicks
Modiform 28 Cell Root Trainer (25) - Gro Well Direct
Rootrainers - Deep (32 Cell)|Woolmans Garden Equipment