Dear Karen MC,
Thank you for your question. The Delta Signature Kitchen Pull-Out 470-WH-DST faucet is a 1 or 3-hole 8" installation unit. This faucet come with the optional single hole escutcheon and gasket RP50389WH. Please see below, page 2 "Center Mount Style" for the installation instructions.
Date published: 2018-02-03