16_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_hw to a fine mist

to a fine mist

Effective in tanks up to 3

Absorbalight maximizes your plants' natural response to costly lighting

and is available in 5500K color temperature

Each shoe cover is low-linting and sterilized to a 10⁻⁶ sterility assurance level (SAL)

16_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_hw to a fine mistNordic 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