Gray Lockable Hydroponic Cups (Bundle of 5) - 45mm Internal Diameter, Grow pots for modular hydroponic tower

Upgrade your hydroponic tower setup with these precision-engineered, 3D-printed lockable net cups — designed to fit securely and perform reliably every grow cycle.

• TWIST-LOCK DESIGN — Locks firmly into compatible hydroponic tower modules with a simple twist. No tools, no clips, no slipping. Once in, it stays in — even when handling heavy root systems.
• COMPATIBLE WITH COCO COIR — Internal diameter of 45mm perfectly fits standard coco coir plugs, making it easy to transplant seedlings straight from propagation into your tower.
• 3D PRINTED IN PETG — Made from food-safe, moisture-resistant PETG plastic that is durable, non-toxic, and built to withstand continuous wet hydroponic environments without warping or cracking.
• MODULAR & STACKABLE SYSTEM — Designed for use with modular hydroponic tower systems. Mix and match with other compatible modules to build a scalable vertical garden of any size.
• IDEAL FOR A WIDE RANGE OF CROPS — Grow lettuce, herbs, kale, basil, spinach, strawberries, and more. The open-lattice cup design promotes excellent root aeration and nutrient flow.
• BUNDLE OF 5 — Comes as a set of 5 cups in gray, giving you everything you need to populate a full tower level or expand an existing setup.

MEASUREMENTS (per cup):
Height: 105mm / 4.13"
Width (outer): 71mm / 2.8"
Internal diameter: 45mm / 1.77"
Maximum diameter: 60mm / 2.36"

NOTE: The 4-way hydroponic tower module shown in the photos is for illustration purposes only, to demonstrate how the cups insert into a compatible tower system. The module is NOT included.

Questions about compatibility with your setup? Send us a message — we're happy to help!