6x16x1 MERV 7 AC Furnace Filters 6 Pack fans-ventilation-ducting and is the perfect size

and is the perfect size for small growing spaces

Nordic Pure 20x25x5 Air Bear Replacement MERV 15 air filters measure an actual depth of 4 7/8"

Flora Pipe Fitting 3/4" - T

Using the app

6x16x1 MERV 7 AC Furnace Filters 6 Pack fans-ventilation-ducting and is the perfect sizeNordic 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