18x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_cg MERV 8 furnace air condition

MERV 8 furnace air condition filters are comparable to HVAC filters with the rating of MPR 800

Varia requires a proper use of the substrate since oxygen goes through the substrate itself

Lumens - 94393

Growers who want the very best work with TerraVesco

Input Voltage:                                       100~240 VAC

18x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_cg MERV 8 furnace air conditionNordic 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