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Aboveground fire hydrant with underground, regulated height, insulated fire hydrant construction HARS-1
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Dry barrel aboveground fire hydrant with breaking and double closure system HA-1
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Underground double closed fire hydrant HM-1
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Underground fire hydrants ,fixed height H-1
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Underground insulated double closed fire hydrant HMS-1
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Underground insulated fire hydrants ,fixed height HS-1
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Underground insulated, regulated fire hydrant HRS-1
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Underground regulated fire hydrant HR-1