6x10x1 Exact MERV 10 AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs 413 µS/cm conductivity standard that

413 µS/cm conductivity standard that is prepared against a NIST traceable potassium chloride solution

peat-based mixes

12" poly spray wand

• Stronger and high quality components

Use as a soil drench or top dress when plants are beginning to bud or when you want them to

6x10x1 Exact MERV 10 AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs 413 µS/cm conductivity standard thatNordic Pure MERV 10 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies