18x18x2 Pleated MERV 8 Air Filters 12 Pack chillers-heaters-and-purification Hugo is the largest of

Hugo is the largest of the growing blocks

they also fit standard hydroponics trays for use indoors

Off-gassing of moisture from fresh cut flowers increases humidity levels in a drying room

• Easy to use liquid supplement

18x18x2 Pleated MERV 8 Air Filters 12 Pack chillers-heaters-and-purification Hugo is the largest ofNordic 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