8.75 x 18 x 0.75 Exact Size Air Filter spl_hgc VermiFire performs above and beyond

VermiFire performs above and beyond the call of duty

The meter measures the soil conductivity in EC (mS/cm) as well as salt activity (g/L)

The CMH fixture can be used as a primary veg light

Safe for use in irrigation systems

8.75 x 18 x 0.75 Exact Size Air Filter spl_hgc VermiFire performs above and beyondNordic 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