16x16x2 Pleated MERV 7 Air Filters 12 Pack Misc From head-to-toe

From head-to-toe

the wings may be adjusted to more narrow settings and positioned further from the plants to suit the light and heat requirements of more sensitive plants or plant stages

a T-splitter and a special 4 ft RJ12 / Threaded Waterproof  Connector cable

so it's important to treat the area ahead of an infestation

16x16x2 Pleated MERV 7 Air Filters 12 Pack Misc From head-to-toeNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters