
Company Information
Ask for more detail from the seller
Contact SupplierPrecast neck or riser collars, also known as risers and vault extentions, allow for height adjustability of access openings for vaults and manholes. They are available in a variety of diameters and heights.
Precast neck or riser collars, also known as risers and vault extentions, allow for height adjustability of access openings for vaults and manholes. They are available in a variety of diameters and heights.