15x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack rock-bottom It uses an air-to-water heat

It uses an air-to-water heat exchanger to water-cool the hot air your reflectors produce

• Gently leach salt safely without harming roots

000 ppm sensor in a self-aspirated enclosure

This Product Controls These Pests or Diseases: Slugs

15x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack rock-bottom It uses an air-to-water heatNordic Pure Custom MERV 7 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