12x12x1 Pleated MERV 7 Air Filters 12 Pack Growing Media NOTE: CalCarb leaves a beneficial

NOTE: CalCarb leaves a beneficial white residue of natural calcium

ideal for all pH testing

• Formulated to be compatible with most common pesticides and fungicides - especially suited for aircraft applications

consider the following:

Tests one fixture only at either 120/240/277V output

12x12x1 Pleated MERV 7 Air Filters 12 Pack Growing Media NOTE: CalCarb leaves a beneficialNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters