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HM-372B Flow Cone with 0.5in (13mm) replaceable orifice for timing grout flow features cast aluminum construction and includes adjustable gauge assembly. The top inside diameter is 7in (178mm) and meets ASTM C939 requirements. The sturdy HM-372A Flow Cone Stand can be ordered separately or as part of the HM-372 Grout Flow Cone Set, which includes both the Flow Cone and Stands.
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