22x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack New-releases BioTill Calcium is specially formulated

BioTill Calcium is specially formulated to breathe life into your soil

*SuffOil may remove the glaucous (blue) bloom from evergreens such as Colorado Blue Spruce and Koster Spruce

The enclosed chamber includes a floating raft hydroponic system with a 32-cell Styrofoam tray

Canister function

22x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack New-releases BioTill Calcium is specially formulatedNordic Pure Custom MERV 12 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