Click or scroll to zoom Tap or pinch to zoom Super Sprouter 72 Cell Plug Tray - Square Holes by Super Sprouter Sold out $2.99 SKU 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out The product is out of stock Don’t see the quantity you are looking for? Please call (702) 413-6300 or email us at firstname.lastname@example.org for assistance. Fits snugly in a standard 10 x 20 propagation flat. Heavier duty than competitive inserts. Choose from round hole or square hole openings.