Blanco 441318 Airgap, Anthracite Solid Brass construction Coordinates with Blanco sinks and faucets; will fit all Blanco faucet holes Air gap is 2-1/8-in diameter, 2-1/4-in height Comes complete with tailpiece and mounting hardware Tailpiece top connection is 1-in outside diameter; bottom connections are 5/8-in and 7/8-in diameter constructed of solid brass Fits all standard sink hole openings Coordinates with Blanco silgranit II collection Anthracite Conforms to code where required