Replace the EarthBox® Water Fill Tube for your chosen system:
- EarthBox Original - 12" black Water Fill Tube for the EarthBox® Original gardening system. Will also fit in the EarthBox® Junior™ gardening system.
- EarthBox Junior - 8.5" black Water Fill Tube for the EarthBox® Junior™ gardening system.
- EarthBox Root & Veg - 14" black Water Fill Tube for the EarthBox® Root & Veg™ gardening system.