17_1/4x19_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies and flower beds without risk

and flower beds without risk of chemical damage

Note: Use the Phat HEPA filter to cleanse the air entering into your indoor garden

• Cell battery (CR2032)

Flush your substrate regularly to prevent rest

17_1/4x19_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies and flower beds without riskNordic 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