Arborjet Arborplug

You must use a 9/32" drill bit to ensure a proper fit for the #3 Arborplug. Using the correct size is essential for maintaining the tight seal required for effective trunk injection.

No, the #3 Arborplug is specifically designed for small to medium deciduous trees with a diameter of 12 inches or less. For larger trees, you may need to consult Arborjet's sizing guidelines for a different plug model.

The color change to black is a design update from Arborjet to distinguish the current generation of plugs. Regardless of the color, the #3 model maintains the same functional specifications and self-sealing septum technology.

The self-sealing septum prevents medicament leakage and blowback during the injection process. By creating a closed site, it minimizes the risk of infection and helps the tree heal faster by limiting the size of the injection wound.

These plugs are designed for use during the active growing season when the tree's vascular system is most receptive to medicament uptake. Applying treatments outside of this window may result in poor absorption and ineffective disease control.