Aurora Innovations Precision Perlite Coarse #4 2 cf


MSRP: $9.99
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Aurora Innovations Procision Perlite Coarse is cut with a ten mesh screen leaving all material to retain #4. Perlite ore is a naturally occurring volcanic glass containing a small percentage of water. When that ore is introduced to tremendous heat the glass liquefies and the trapped water expands creating a remarkable and versatile material.