9x13x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack hydro-x 000-hour average life

000-hour average life

Sprays can damage the natural flavors and aromas of the strain

International power supply included

do not allow drips to touch the leaves or blades of plants you wish to save

nutrient levels & temperatures directly in your solution

9x13x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack hydro-x 000-hour average lifeNordic Pure Custom MERV 8 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