10x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack refurbished-products UVB is a reactive form

UVB is a reactive form of light naturally occurring from our sun

Grow More Fertilizers are designed to meet a need for a properly balanced

Wide thick base

or disabled

NOTE: Not compatible with Phantom and Xtrasun ballasts

10x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack refurbished-products UVB is a reactive formNordic 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