16_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack food-&-water-storage a programmable setting to control

a programmable setting to control the cool-down period of the HID bulbs in the event of a power interruption to prevent damage to your bulbs

– 5 wheels around perimeter

Roots Organics Green Lite is calculated to give you control and accelerate your garden for vigorous plants and root systems

shade and ornamental trees

16_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack food-&-water-storage a programmable setting to controlNordic Pure Custom MERV 10 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