11_1/2x11_1/2x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and amp Killing off old and diseased

Killing off old and diseased lawns before re-planting

Its heavy duty pre-galvanized steel construction is lined with premium European aluminum for years of dependable growing performance

This Product Controls These Pests or Diseases: Aerial Fusarium (Fusarium roseum)

and 1000W ballasts

Single ceramic junction for long electrode life in harsh environments

11_1/2x11_1/2x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and amp Killing off old and diseasedNordic Pure Custom MERV 14 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