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The Air King’s BFQ series SNAP-IN installation exhaust fans provide effective and affordable ventilation for your bathroom
2″ polyester webbing provides excellent resistance to UV and harsh weather elements
and 6 inch blades
Handles are built-in and are designed to keep the cans from jamming
replacement stone
PacifiClear 4 Lb. Calcium Hardness Increaser Granule Brand_Leigh Country The Air King’s BFQ seriesCalcium hardness increaser made of calcium chloride. Low water hardness could stain or etch the pool surface and corrode equipment, calcium hardness increaser raises water hardness level. Prevents foaming and equipment corrosion. 6 Lb. of calcium hardness increaser per 10,000 gallons of water will raise calcium hardness level by 50 ppm (parts per million).