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• Automatic Temperature Compensation for pH and conductivity
Multiple Zones
Recirculating: Use 5-10 ml of Royal Flush per gallon of pure water in your reservoir and run the system for an initial 20-60 minutes
selected by the user
square-wave technology and is silent
20x20_1/2x1 Exact MERV 8 AC Furnace Filters 6 Pack double-ended • Automatic Temperature Compensation forNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters