20x20_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Plant Support The solid state electronic ignition

The solid state electronic ignition module creates a spark to light the burners

• No replaceable parts - no internal moving parts

This is a one of a kind grinder that guarantees a consistent grind every run

Includes (3) porthole covers

20x20_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Plant Support The solid state electronic ignitionNordic 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