8x18x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Commercial Lighting Suitable for use with ultra-low

Suitable for use with ultra-low volume application equipment

easy installation

& Alkalinity (mg CaCO3/L)

Biomin Iron is a 5

Pre-Mix Is a dry fertilizer comprised of 100% natural ingredients derived from organic matter

8x18x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Commercial Lighting Suitable for use with ultra-lowNordic 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