13x18x1 Exact MERV 13 AC Furnace Filters 12 Pack pumps-and-irrigation-supplies Steel frame and aluminum blades

Steel frame and aluminum blades for maximum durability

Sell by pallet

Root Drench: 10 - 20mL (2-4 tsp)

Regular maintenance keeps flavors fresh and vapor smooth

50/60Hz Certifications ETL/FCC 3-in-1 (Temp/Humid/CO2) Sensor Max 1pc per set

13x18x1 Exact MERV 13 AC Furnace Filters 12 Pack pumps-and-irrigation-supplies Steel frame and aluminum bladesNordic 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