15x30x1 MERV 14 AC Furnace Filters 6 Pack HPS Calyx Magnum can be applied

Calyx Magnum can be applied to all crops including hydroponics

Get the enzymes down at planting times—2-3 times during the growing season so it’s always available to the plants

The Hanna Instruments HI1333B is a combination (full-cell) pH electrode with a single ceramic junction

Zenport Q42 Ratchet Action PVC Pipe Cutter 1

• Drainage grid with a recessed pump

15x30x1 MERV 14 AC Furnace Filters 6 Pack HPS Calyx Magnum can be appliedNordic 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.