23x25x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_centurionpro A300V1 & A300V3

A300V1 & A300V3

never store an electrode in distilled or deionized water

Giving your plants the right light for each growing stage makes them strong

This unit comes with the Quantanium dry tumbler

Dimmable Settings (60% / 80% / 315W / Super Lumen)

23x25x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_centurionpro A300V1 & A300V3Nordic Pure Custom MERV 7 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