Heavy Duty 72-Cell Pack Square Plug Flat Insert

These reusable cell packs can last for many growing seasons. Made from high-impact polystyrene plastic, they fit standard one-piece flats.

• Dimensions: 22" x 10½" x 2½"
• BPA free
• Recyclable

Technical Specifications

• Cell Quantity: 72 | Cell Type: Square Cell | Type: Propagation Insert Tray | Heavy Duty
• Square cell design promotes air-pruning and compact, healthy root development
• Fits standard 10 in x 20 in propagation trays and compatible humidity domes
• Heavy-duty plastic construction withstands multiple growing cycles
• Reusable and sterilizable for commercial propagation operations

How to Use

• Fill cells with your propagation medium (rockwool cubes, Root Riot, or moistened substrate)
• Sow seeds directly or insert cuttings into each cell — cover with a humidity dome
• Water by subirrigation by adding solution to the bottom tray — allow cells to absorb from below
• Transplant seedlings or rooted cuttings when roots are visible at the bottom of the cell
• Disinfect with diluted hydrogen peroxide or chlorine solution between propagation cycles