17x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack propagation trays Standard CO2 injection methods do

Standard CO2 injection methods do not allow enough time for the carbon dioxide to mix with the air

The compact size of the station allows anyone with a spare corner to start a garden

Derived From: proprietary blend of mineral salts and natural nutrient sources

Spray Patterns Designed for Nursery Containers Pick the spray pattern that is right for your plants

FOCUS LITE FCS-G300W

17x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack propagation trays Standard CO2 injection methods doNordic 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