9_3/4x23_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack Grow Light Ballasts This durable and high quality

This durable and high quality 6"

supports microbial diversity in your soil and improves enzymatic activity

Delivering an average of 295 µmol/m2/s over a 2’4’ area

Lumens - 94393

Addition of fertilizer is necessary when planting and/or repotting

9_3/4x23_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack Grow Light Ballasts This durable and high qualityNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different