SUNPACK® 4-Cell Tray Inserts ship-restrict-OK Dissolve the following amounts in

Dissolve the following amounts in 1 gallon of water

It features 1-1/4" NPT suction and discharge connections that can be placed on either side for easy piping

a second door at the back is not available as an option

and exceptional value

SUNPACK® 4-Cell Tray Inserts ship-restrict-OK Dissolve the following amounts inSUNPACK Injection Molded 4 Cell inserts are made from premium Food Grade, and BPA Free plastic. 8 inserts fit into a standard 1020 (10 in. x 20 in.) tray. They feature side slots on all four sides for air prune technology. Air channels are added on each side to prevent root circling. Air pruned roots are shown to provide healthier and more vigorous growth. Available in black, blue, green, magenta, yellow and orange. SUNPACK 4 Cell Tray Inserts