23_1/4x29_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_centurionpro RadidRIZE blocks with super-fast expansion

RadidRIZE blocks with super-fast expansion

2 speed settings

Special UV-resistant composition

This layer blocks harmful rays from breaking down your plant’s organic matter and causing loss of potency during long-term storage

Output Power: 315W

23_1/4x29_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_centurionpro RadidRIZE blocks with super-fast expansionNordic Pure Custom MERV 14 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