21x23x1 Exact MERV 10 AC Furnace Filters 6 Pack plant-support Contains an EC-motor with PWM-control

Contains an EC-motor with PWM-control for a quiet and energy efficient performance

per gallon of water applied every 3-4 days

and IP-44 rated to be highly resistant to liquid and dust

Specification Name Detail sku HI9814 pH Range -2

This color of light typically encourages short inter-nodal spacing and bushy plants

21x23x1 Exact MERV 10 AC Furnace Filters 6 Pack plant-support Contains an EC-motor with PWM-controlNordic 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