10x18x1 Exact MERV 7 AC Furnace Filters 6 Pack Tents / Indoor Greenhouses 4 RAW Phosphorus - 2

4 RAW Phosphorus - 2 oz

2 cfm vacuum pump

Primo TDS uses a single button at the top of the meter

Single bow

RELEASE: Release in temperatures above 50 and below 100 degrees

10x18x1 Exact MERV 7 AC Furnace Filters 6 Pack Tents / Indoor Greenhouses 4 RAW Phosphorus - 2Nordic 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