18x24x2 Pleated MERV 7 Air Filters 3 Pack microbes For soil apply nutrient once

For soil apply nutrient once or twice weekly and use plain water between applications

Electropolished 1/4" Tumbler (3

Water resistant for the growing environment

Starting Pulse (Peak KV) - 3-4

18x24x2 Pleated MERV 7 Air Filters 3 Pack microbes For soil apply nutrient onceNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters