Bootstrap Farmer- 4 Cell Plug Trays Inserts- 4 Pack

US Shipping Only.  Proudly made in the USA, these larger 4-cell plug inserts are deeper for growing varieties of crops that need a little more room. Eight of these removable inserts fit in a Bootstrap Farmer 1020 tray. Made out of food-safe, heavy-duty polypropylene plastic and built to last many seasons. FEATURES Made from FDA Prime Grade Extra Strength Polypropylene (#5 BPA free) plastic Extra Large 3/4" Drainage Hole makes for an effortless seedling removal.  These 4 Cell Inserts are designed with 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.  Proudly made in the USA Eight inserts (2 sets of 4) fit per 1020 tray Perfect for up-potting peppers and tomatoes. DIMENSIONS Seed tray insert 5 1/4" x 5 1/4" x 4" tall  Each cell in the tray insert is 2 3/8" on top, which tapers down to 1 1/4" at the bottom. Air pruning slits measure - 2 1/2" long -  slit width is 1/8"