28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Led Battery % Level at Startup–

Battery % Level at Startup– At start-up

They contain no pesticides

with simple to follow mixing instructions printed on every label

up to 50 eggs in their life

Have a long range igniter installed – Up to 15′

28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Led Battery % Level at Startup–Nordic Pure Custom MERV 13 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition