18x25x2 Pleated MERV 13 Air Filters 12 Pack grow media 2 x Micro Drip |

2 x Micro Drip | 16-17 mm Double Layer Tube 25'

* NOTE: Bench sold separately

• During the vegetative stage start with a lower pH (5

The flanges can also be reversed to prolong the life of the filter

18x25x2 Pleated MERV 13 Air Filters 12 Pack grow media 2 x Micro Drip |Nordic Pure MERV 13 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200