PVC Expansion Couplings and Meter Risers Expansion Coupling – Two Piece Refer to page 23 in the Queen City Product Catalog for product specs Expansion Coupling – One Piece Refer to page 23 in the Queen City Product Catalog for product specs Slip Meter Riser 2-ft Refer to page 25 in the Queen City Product Catalog for product specs Meter Riser 7-ft Refer to page 25 in the Queen City Product Catalog for product specs Now available from Atkore:Free Revit Toolbar and BIM Models to download for many product families.