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• Catalyst to chlorophyll formation
12" unit with three corona discharge cells
pH adjusting crystals that will
Freight charges apply
float valves
25x28x1 MERV 7 AC Furnace Filters 6 Pack grow-light-reflectors • Catalyst to chlorophyll formationNordic 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
US$ 152.50
US$ 159.95