22x30x1 MERV 14 AC Furnace Filters 6 Pack Extension Works best in warm weather

Works best in warm weather (60°F+)

riobrave release a bacteria once they have infected the pest

Using the heat mat together with our SunPack™ Heat Mat Temperature Controller (item SPTEMP) gives gardeners the best possible control of temperature and humidity

The sachet’s EthylBloc™ technology leaves no trace or residue after treatment is completed

Comes complete with installation hardware and instructions

22x30x1 MERV 14 AC Furnace Filters 6 Pack Extension Works best in warm weatherNordic 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.