SUNPACK 72-Cell Extra-Strength Insert - Round Cells - Fits Standard 1020 Trays - 21.25in L x 11.25in W

SUNPACK 72-Cell Extra-Strength Inserts for Reliable, Multi-Season Propagation

The SUNPACK 72-Cell Extra-Strength Insert - Round delivers 72 individual growing cells in a 21.25in L x 11.25in W footprint designed to fit any standard 1020 propagation tray. Built for heavy-duty performance, these inserts are engineered to last multiple growing seasons, maintaining their shape and strength even when fully loaded with plants and growing media. Round cell geometry promotes natural root-ball formation and improves aeration - no sharp corners to dry out or restrict root growth.

Key Features & Benefits

• 72 round cells - Round cell geometry promotes natural root-ball formation and improves aeration - no sharp corners to dry out or restrict root growth.
• 21.25in L x 11.25in W footprint - Fits any standard 1020 (10in x 20in) propagation tray for seamless integration into existing bench systems.
• Extra-Strength construction - Engineered to withstand the weight of fully loaded cells during transport, reducing breakage and media spills.
• Multi-season durability - Quality materials hold up through repeated use, cleaning, and sterilization cycles for reliable long-term performance.
• Compatible with standard 1020 tray systems - Designed to drop into any standard 10in x 20in nursery flat without modification.

Who Should Use This

Greenhouse growers, nursery operators, and home propagators who need reliable, reusable 72-cell inserts that fit existing 1020 tray systems. The extra-strength build is especially suited for commercial operations where inserts are frequently moved while fully loaded.

Compatibility

Fits standard 10in x 20in (1020) propagation trays. Compatible with all common growing media including peat, coco coir, and soilless plug mixes. Works with overhead, bottom-watering, and flood-and-drain irrigation systems.

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 21.25in L x 11.25in W footprint ensures a secure, stable fit in standard nursery flats.

How many growing seasons will these inserts last?

SUNPACK Extra-Strength 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 round cells?

Round cell geometry promotes natural root-ball formation and improves aeration - no sharp corners to dry out or restrict root growth.

Are these inserts safe for growing edible crops?

SUNPACK Extra-Strength inserts are made from quality PP material. For specifically confirmed food-grade, BPA-free construction, see the SUNPACK Plug Flat Insert series.