12_3/4x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack BVV Temperature: 32 °F to 120

Temperature: 32 °F to 120 °F (0 °C to 49 °C)

Dirty Dozen Starter Pack

This technology is revolutionizing the horticultural lighting industry in both lowering electric usage and increasing overall crop yield

Light cleanings can take less than 30 minutes

Potted plants in your home

12_3/4x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack BVV Temperature: 32 °F to 120Nordic 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