16_1/4x21_1/2x1 Exact MERV 10 AC Furnace Filters 6 Pack veg-and-bloom Maximum ventilation holes on sides

Maximum ventilation holes on sides & bottom

Permaflect can be wiped clean for long-lasting reflectivity

this depends on the nutrients used

Fully Programmable Spectrum Control

Advanced LED Grow Light System

16_1/4x21_1/2x1 Exact MERV 10 AC Furnace Filters 6 Pack veg-and-bloom Maximum ventilation holes on sidesNordic Pure MERV 10 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 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies