17x28x1 Exact MERV 14 AC Furnace Filters 6 Pack commercial-greenhouse-fixtures This product is highly effective

This product is highly effective when it is used to prevent diseases or applied at the first sign of disease

High-pressure pH probe - easy to clean and calibrate

this nutrient solution supports healthy leaf and stem development

75" Outside Diameter (4" base)

Roots Organics potting soil encourages healthier plants and better yields

17x28x1 Exact MERV 14 AC Furnace Filters 6 Pack commercial-greenhouse-fixtures This product is highly effectiveNordic 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.