Aggre-Spec™ Portable Classifiers
GreyStone fully portable Aggre-Spec classifying systems feature a low-profile design for quick transport and installation. The line includes 8 classifier models ranging in size from 8 ft x 24 ft to 10 ft x 40 ft. Portable structures offer from 7 to 11 classifying stations and produce up to 350 TPH.

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