SUNPACK 72-Cell Plug Flat Insert - Square Cells - Fits Standard 1020 Trays - 10in x 20in

Food-Safe 72-Cell Plug Flat Insert With Square Cells for Uniform Transplants

The SUNPACK 72-Cell Plug Flat Insert packs 72 square growing cells into a 10in x 20in footprint that drops into any standard 1020 propagation tray. Food-grade, BPA-free plastic makes it a safe choice for herb, vegetable, and microgreen production from the very first watering.

Square cell geometry is the main design choice separating this insert from its round counterpart: square cells maximize media volume per cell and keep plugs squared off for tight, even spacing at transplant time. Either version is built to hold up across multiple growing seasons of cleaning and reuse in commercial and home greenhouse settings alike.

Key Features & Benefits

• 72 square cells — Square cell geometry maximizes media volume per cell and keeps plugs organized for uniform transplanting.
• 10in x 20in footprint — Fits any standard 1020 propagation tray for seamless integration into existing bench systems.
• Food-grade, BPA-free plastic — Safe for edible crop production including herbs, vegetables, and microgreens from first watering onward.
• Multi-season durability — Holds up through repeated use, cleaning, and sterilization cycles across several growing years.
• Standard 1020 compatibility — Drops into any standard 10in x 20in nursery flat without modification.

Who Should Use This

Greenhouse growers, nursery operators, and home propagators who need a reusable 72-cell insert that fits their existing 1020 tray system will find this insert a straightforward fit. The food-grade, BPA-free construction makes it a safe choice specifically for edible herb, vegetable, and microgreen production.

Compatibility & Cell Choice

This square-cell insert fits standard 10in x 20in (1020) propagation trays and works with peat, coco coir, and soilless plug mixes under overhead, bottom-watering, or flood-and-drain irrigation. A round-cell version of the same insert is also available if your crop favors that cell geometry instead.

Frequently Asked Questions

Will these inserts fit my existing 1020 trays?

Yes, SUNPACK 72-cell inserts are designed to fit any standard 10in x 20in propagation tray. The footprint ensures a secure, stable fit in standard nursery flats.

How many growing seasons will these inserts last?

SUNPACK Plug Flat inserts are built for multi-season use. With proper cleaning and storage between uses, they reliably hold up through multiple growing cycles.

What is the benefit of square cells?

Square cell geometry maximizes media volume per cell and keeps plugs organized for uniform transplanting. That geometry is the main functional difference between this insert and the round-cell version of the same Plug Flat line.

Are these inserts safe for growing edible crops?

Yes, SUNPACK Plug Flat inserts are made from food-grade, BPA-free plastic, making them a safe choice for herbs, vegetables, and other edible crops. That food-grade rating covers the whole growing cycle, from the first seed sown through the day a transplant leaves the cell.

How do I choose between square and round cells?

Choose based on how your specific crop develops its root ball and how you plan to transplant it. Either shape fits the same 10in x 20in footprint and standard 1020 tray systems, so the decision comes down to cell geometry rather than compatibility.