INVESTMENT WARNING!<br>This material contains crystalline silica and shows evidence of causing cancer in humans. (ARC Group 1).&nbsp;Prolonged exposure may cause lung injury (silicosis). Users must comply with all applicable health and safety regulations relating to the safe handling of crystalline silica. See MSDS for information. California Prop 65 Warning: This product contains crystalline silica, a chemical known in the state of California to cause cancer.<br _mce_bogus="1">

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