Phat HEPA Intake Filter 4" EP per GAL of water

per GAL of water

Soil/Soilless Applications: For every 10 L (2

and any type of rockwool

It is for all growers who want a rich

and move it around with you as you go about your gardening tasks

Phat HEPA Intake Filter 4" EP per GAL of waterPhat HEPA Intake Filter, 4" The tightly woven synthetic HEPA fibers in this filter will help prevent mold, bacteria, pollen, insects and plant pests from entering your growroom or greenhouse. The HEPA fibers block out most airborne particles down to . 3 microns in diameter. That is 300 times smaller than the diameter of a human hair. This is a serious insurance filter, without it you are leaving your grow room susceptible to the elements.