UPuper Rockwool 4x4x4 Case of 144 lifecycle-draft Built-in cooling fan to run

Built-in cooling fan to run cooler than other digital ballasts

or filter systems

perfect for the vegetative stage of plant growth

because of its ingredients

The high operating frequency not only ensures continuous power delivery

UPuper Rockwool 4x4x4 Case of 144 lifecycle-draft Built-in cooling fan to runUPuper 4 inch Rockwool cubes are a good size for transition planting (transplant) or finishing small plants, and they feature a standard size rockwool pre cut (planting) hole for easy (easily) transplanting of seedling starts. They can effectively retain moisture, and their unique 4 inch size provides the minimum processing capacity for optimal activity. They are also very suitable for storing water or additional nutrient solutions required for root