20x21x1 Exact MERV 8 AC Furnace Filters 6 Pack leds Europonic Rockwool Conditioning Solution™ is

Europonic Rockwool Conditioning Solution™ is an advanced formulation of ingredients that stabilizes and adjusts the pH of rockwool for maximum nutrient utilization by the plants

Buffer against salt and high EC conditions associated with poor soil or heavy feeding

and EPA Exempt

The 2-in-1 system converts easily with the help of a screw-off cap and removable plunger

* 2 Modes: Cooling / Ventilation

20x21x1 Exact MERV 8 AC Furnace Filters 6 Pack leds Europonic Rockwool Conditioning Solution™ isNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters