20x24x1 Furnace Air Filters MERV 10 Pleated Plus Carbon 12 Pack grow-systems-trays-reservoirs 6) to balance the pH

6) to balance the pH in your substrate

Coco coir is a soilless substrate produced from the fibrous husks of ripe coconuts

broad spectrum bactericide and fungicide created to protect medical and hemp throughout the growing cycle

Flow adjustable from a full stream

20x24x1 Furnace Air Filters MERV 10 Pleated Plus Carbon 12 Pack grow-systems-trays-reservoirs 6) to balance the pHNordic Pure 20x24x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material