Monotub Hole Plugs 6-Pack

Monotub Hole Plugs cut off airflow during colonization, helping maintain the moisture saturation your substrate needs at this stage.

Fits Any 2-Inch Monotub Hole

These plugs fit any standard 2-inch hole and work with Grower's Select Monotubs, Max Yield Bins, North Spore Boomr Bins, Microppose Monotubs, and other major monotub brands.

Easy Snap-In Design

The tapered shape snaps securely into place with light pressure. Each plug can be installed in either direction for quick, convenient use.

• Six monotub hole plugs per pack
• Blocks airflow during colonization
• Helps maintain moisture saturation
• Fits standard 2-inch holes
• Reusable and easy to install