17x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_centurionpro soil conditioner

soil conditioner

The Hydro-X Plus (HCS-3) controller is an upgraded version of the Hydro-X controller

healthy tissue clones

Chloramine & Chlorine Removal – Eliminates disinfectants that kill beneficial microbes and disrupt nutrient uptake

Leafhoppers and Adelgids

17x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_centurionpro soil conditionerNordic Pure Custom MERV 13 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