16_1/2x21_5/8x1 Exact MERV 13 AC Furnace Filters 6 Pack microbial fertilizer Mixes easily in room-temperature water

Mixes easily in room-temperature water

Features a stainless steel locking ratchet to adjust the rope’s length

The set and forget timer frees up the operator to do other tasks while the innovative lock and load pivot system makes loading and unloading easy

• Improves disease and stress resistance

Unlike common AC-powered duct fans that suppresses voltage to control fan speeds

16_1/2x21_5/8x1 Exact MERV 13 AC Furnace Filters 6 Pack microbial fertilizer Mixes easily in room-temperature waterNordic 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