9x13x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Water Filtration use entire container within the

use entire container within the same day

powerful air flow and low noise level

use 30% drain

GROW GREEN lamps emit light in the right spectrum

This blend has been proven to be an optimal all in one base 'bloom' horticultural fertilizer

9x13x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Water Filtration use entire container within theNordic Pure Custom MERV 14 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