15x23x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Hydro Systems It provides on isolated

It provides on isolated

Replace your original 150 micron screen or try the 220 micron

the single-outlet Active Aqua air pump provides a constant flow of dissolved oxygen through a circular 4" air diffuser

- Large square foot coverage and application

Low resistance potential

15x23x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Hydro Systems It provides on isolatedNordic 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