9_3/4x23_3/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Grow Strong The microbes contained in SOS

The microbes contained in SOS will promote stronger and faster root

including bedding and flowering plants

the specially inset diodes are easy to clean and maintain

Coco Chips

Dimensions - 117*21*25 cm

9_3/4x23_3/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Grow Strong The microbes contained in SOSNordic Pure Custom MERV 10 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