works well
Picked up a used Twister T6 for $400 and replaced the gear box for $100 and now its like new again.
Sunpack Product Documents
SUNPACK® 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.
Specifications
- Insert Size: 5.25" x 5.25" x 4"
- Material: BPA-free plastic
- Cell dimensions: 2.5 x 4 in.
- 8 inserts fit in one 1020 tray