16_1/2x21_5/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Emitters Pulse Width @ 4500V (Microseconds)

Pulse Width @ 4500V (Microseconds) - 1

Lithium-ion rechargeable battery: Allows for wireless

While Supplies Last

Their job is to convert or degrade organic and inorganic compounds into simple forms that plants can easily access

CAUTION: Always be careful when working with dry ice

16_1/2x21_5/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Emitters Pulse Width @ 4500V (Microseconds)Nordic 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