14x16x1 MERV 7 AC Furnace Filters 6 Pack rock-bottom Target-specific meaning it is safe

Target-specific meaning it is safe for use around people

ETL listed / Energy Star approved

RapidRIZE Block 10"x10"x7" 700 11

Visible improvements in root mass and plant vigor are typically observed within 2–4 weeks

Covers the porthole so that evaporation of the nutrient solution is minimized

14x16x1 MERV 7 AC Furnace Filters 6 Pack rock-bottom Target-specific meaning it is safeNordic 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