15x30_5/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack plant-care/pest-&-disease-control For Medicinal Plants

For Medicinal Plants

20 liter water tank capacity

improved nutrient and water uptake

"The Master

brilliant vitality and an increased ability to fend off a variety of stressors

15x30_5/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack plant-care/pest-&-disease-control For Medicinal PlantsNordic 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