17_1/4x23_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_ps Trimbag Features:

Trimbag Features:

8 Compressed Organic Coir Sheets wrapped

The Digilux DX1000DE double-ended HPS lamp combines high efficiency with superior lamp life expectancy

Each time air passes through a Nordic Pure carbon pleated furnace filter

stability and low battery indicators

17_1/4x23_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_ps Trimbag Features: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