16_1/2x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack new releases it can cause topical itching

it can cause topical itching and when they ingest it they'll experience digestive upset

633 and the FS+UV to create a custom light spectrum for a start-to -finish combination

Inside diameter 14in

Maximize airflow and make drying a breeze

16_1/2x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack new releases it can cause topical itchingNordic Pure Custom MERV 8 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