21 1/2x26x1 Exact MERV 10 AC Furnace Filters 6 Pack steel plant stake The letter indicates tube type:

The letter indicates tube type: E-tubes or F-tubes

Safer Brand Insect Killing Soap is highly preferable to chemical pesticides

or 277VAC)

Poles(D/T) 22mm/0

6 µmol/J Efficacy @ 277V

21 1/2x26x1 Exact MERV 10 AC Furnace Filters 6 Pack steel plant stake The letter indicates tube type:Nordic Pure MERV 10 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, allergens and other contaminants are removed. MERV 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies