20x20x1 Pleated MERV 13 Air Filters 12 Pack microbial fertilizer The compact yet powerful design

The compact yet powerful design is capable of processing up to 4 lbs dry (20 lbs wet) per hour of use

Experience ease and simplicity in taking pH

Max Ambient Temperature : 113º F / 45º C

For Control of Small Hive Beetle - Use 5 Million for every 10 Hives

120/240V models come with a 240V power cable

20x20x1 Pleated MERV 13 Air Filters 12 Pack microbial fertilizer The compact yet powerful designNordic 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