9x27x1 Exact MERV 13 AC Furnace Filters 6 Pack Amendment Do I need to use

Do I need to use Bloom A with Bloom B

Length 24″

CO2: 300-2500PPM

Bluelab pH probe KCI Storage Solution is manufactured to high laboratory standards

Input Current: 2

9x27x1 Exact MERV 13 AC Furnace Filters 6 Pack Amendment Do I need to useNordic 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