15x23x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack led 5x5 sqft or 2x4 sqft

5x5 sqft or 2x4 sqft

Outside Dimensions: 48 x 24 x 3 3/4"

3/4 in NPT female inlet and outlet

Humboldt Nutrients has developed this vigorous three-part fertilizer without the use synthetic chelates

Snap-On Lids by microCLONE fit common baby food/tissue culture jars

15x23x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack led 5x5 sqft or 2x4 sqftNordic Pure Custom MERV 12 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