17_1/2x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack bio-organic fertilizer It has reached these remarkable

It has reached these remarkable concentrations while still remaining a 100% soluble liquid and surpasses even the closest competition

The HI10530 electrode features a built-in microchip that stores sensor type

The number of units and the size of the ionization tubes are dependent upon the airflow in the system and the severity of the pollution problem

• Cooling fins for maximum heat dissipation

Air Velocity: Max 25 mm/sec (4900 ft/min)

17_1/2x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack bio-organic fertilizer It has reached these remarkableNordic 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