Tru Aire 4 in. H X 12 in. W 2-Way Powder Coat White Steel Wall/Ceiling Register 8-80-800-01 Maintain the total alkalinity of

Maintain the total alkalinity of your pool water between 75 - 125 ppm

Ideal Application Range Temperature: 60 deg

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Tru Aire 4 in. H X 12 in. W 2-Way Powder Coat White Steel Wall/Ceiling Register 8-80-800-01 Maintain the total alkalinity ofThe 102M 12X04 is a 12 inch x 4 inch 2 way air register used for wall or ceiling openings. The stamped face allows for two way air deflection. This patented Smooth glide technology ensures rattle free and quiet airflow from your central air system. Smooth glide also provides for smooth opening and closing of your back dampers. This high quality product will ensure years of continuous use. Brand Name: Tru Aire Height: 4 in. Width: 12 in. Air