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Extruded and stretched in hot water
treating between 6
An alternating voltage is applied to the sensor and the amount of current that passes between the two stainless steel pins determines the amount of dissolved ionic solids present
Filter Efficiency:
QuietCool QC CL-3100 Whole House Fan | 3190 CFM cell plug tray Extruded and stretched in hotQuietCool QC CL 3100 Classic whole house fan The QuietCool QC CL 3100 moves up to 3,190 CFM on high and 1,906 on low through a patented acoustical duct and R5 insulated damper box. That keeps noise and vibration very low while it pulls cool air in and exhausts hot air through the attic. Two speeds draw 320W and 231W, near 9. 97 and 8. 25 CFM per watt. A 16 by 24 inch grille and 4. 1 square feet of attic venting keep the install simple. Ultra quiet
