Increases from 3 to 4 in and reduces from 4 to 3 in.
- Contains 3 to 4 in increaser or 4 to 3 in reducer
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Line Drawing
https://assets.unilogcorp.com/187/ITEM/DOC/Lambro_100065483_Line_Drawing.pdf
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Specification Sheet
https://assets.unilogcorp.com/187/ITEM/DOC/Lambro_100034339_Specification_Sheet.pdf