22x30x1 MERV 7 AC Furnace Filters 6 Pack MH 5" x 10" x 2

5" x 10" x 2

Plants that are native to acidic regions may be iron deficient if grown in soils with higher pH levels

nanomesh technology filters out dangerous and unwanted particulates while also enhancing overall breathability

Apply 2 ml/L (8 ml/gallon) during the last 2 weeks of the vegetative cycle to prime the plant for blooming

22x30x1 MERV 7 AC Furnace Filters 6 Pack MH 5" x 10" x 2Nordic 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