8x16x1 MERV 14 AC Furnace Filters 12 Pack Environmental Controllers SUPERthrive Pro-Tekt is recommended for

SUPERthrive Pro-Tekt is recommended for all plants

With up to 99% bacterial filtration

RootShield WP is a certified organic soil inoculant that uses the highly-effective hybrid fungus Trichoderma harzianum

The Trimbag saves you even more time with the minimal maintenance it requires to work well every season

GrowSafe works in multiple ways: as a physical coating provide a barrier of defense against fungal attacks

8x16x1 MERV 14 AC Furnace Filters 12 Pack Environmental Controllers SUPERthrive Pro-Tekt is recommended forNordic Pure MERV 14 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.