9_3/4x23_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack microbial fertilizer It is 100% soluble and

It is 100% soluble and is compatible with all growing mediums

they are now the solution for those facing unique height restrictions

Base Size: 9

Greenhouse material repair tape is ideal for repairing tears in your polyethylene greenhouse film

• 42” High Pressure

9_3/4x23_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack microbial fertilizer It is 100% soluble andNordic 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