12x20x1 Pleated MERV 13 Air Filters 6 Pack cloning-&-seed-starting 20 times the B1 of

20 times the B1 of other PK boosters plus serious amounts of B2

it will begin to automatically record and display trends and data from the sensors on an easy-to-read graph within the TrolMaster APP

Softbow handle fits comfortably in left or right hand

Non-flammable

and other potentially harmful liquids and solutions

12x20x1 Pleated MERV 13 Air Filters 6 Pack cloning-&-seed-starting 20 times the B1 ofNordic 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