The HC Companies Dillen True Jumbo Insert - 36-Cell Black Insert - 20in x 10in x 3.25in True Size

Jumbo Root Depth Built for True-Size Flat Systems

Larger transplants and perennials on a True-size flat program can outgrow a standard-depth True insert before they are ready to move up. The HC Companies Dillen True Jumbo Insert delivers 36 cells in a 6x6 layout across a True-size 20in L x 10in W x 3.25in H footprint, with the jumbo cell depth providing 1.19qt total liquid volume and significantly more root zone than standard True-size inserts.

Vacuum-formed from durable black plastic with precision-burned drainage holes and die-cut trims, the True Jumbo is designed exclusively for True-size flat systems and is not compatible with standard 1020 flats.

Key Features & Benefits

• True-size footprint with jumbo depth — 20in L x 10in W x 3.25in H fits True-size flat systems with substantially more root volume than standard-depth True inserts.
• 36-cell 6x6 layout — efficient bench utilization in True-size flat operations producing larger bedding plants or perennials.
• 1.19qt total liquid volume — supports moisture retention and root development for higher early-stage root zone requirements.
• Vacuum-formed construction — consistent wall thickness and cell geometry deliver predictable root development.
• Precision-burned drainage holes — reliable drainage and air pruning at the deeper cell depth support fibrous root development.

Who Should Use This

Growers operating True-size flat systems who need the extra root volume of a jumbo-depth insert for perennials, larger annuals, or early-stage liners will find the True Jumbo a reliable fit using existing True-size flat inventory.

About The HC Companies

Operating out of Twinsburg, Ohio, The HC Companies manufactures plant containers and nursery inserts under a group of heritage horticultural brands that includes Dillen, serving commercial greenhouse and nursery customers.

Frequently Asked Questions

How does the True Jumbo differ from the T606 True Insert?

The True Jumbo measures 20in x 10in x 3.25in with a deep cell profile and 1.19qt total volume, while standard True-size inserts have shallower cell profiles. Use the True Jumbo when extra root volume is needed.

How many cells does the True Jumbo hold?

36 cells in a 6x6 configuration, total liquid volume 1.19qt, cell depth 3.25in. Those figures apply only to the True-size footprint, not the standard 1020 line.

Can I use the True Jumbo in a standard 1020 flat?

No, the True-size 20in x 10in footprint does not fit standard 1020 flats. Use a Dillen Standard Jumbo Insert for standard 1020 systems instead.

What flats are compatible with the True Jumbo Insert?

TVT10201, TVT.R6.1, TWT10201, and TWT.R6.0. Always verify flat interior dimensions before ordering.