16x22_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Heaters Chillers Each fan uses a custom

Each fan uses a custom motor engineered to minimize noise during speed variations and are certified by CE and RoHS

It protects and activates the immune system

Several of these strains are multi-purpose or multi-functional and provide more than one benefit for plants and soils

Cuts A/C operating costs 50%

Enhanced Nutrient Uptake – Mycorrhizal networks dramatically expand the root zone's surface area

16x22_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Heaters Chillers Each fan uses a customNordic 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