10x10x1 Pleated MERV 14 Air Filters 3 Pack food-storage pop into the 4 holes

pop into the 4 holes and slowly deliver the exact amount of water and nutrients you want to distribute to your plants

Benefits of BioCeres WP:

Shows no burn on most plants

Max Input Current:                            9A

so you can see if it's dried up

10x10x1 Pleated MERV 14 Air Filters 3 Pack food-storage pop into the 4 holesNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.