20_1/2x25_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack food-storage OR replace with an RJ12

OR replace with an RJ12 6 Conductor Telephone Cable at desired length

It is suitable for most greenhouse and outdoor irrigation applications

- Works with 1000W Interlux Double ended lamps and most other brands

High humidity can also prevent plants from properly taking in CO2

20_1/2x25_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack food-storage OR replace with an RJ12Nordic 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.