If you have a new faucet, your best bets are
a-ads,
bitcoadz,
ppcadmedia, and
coinmedia. I have heard mixed reviews about Coinmedia, so do your research and decide whether you want to use them or not. Are you looking for pop-under networks as well? There are plenty more ways to monetize your faucet other than banner ads and pop-under ads, too. Could you post a link to your faucet?
As for rotators:
ifaucetlandoffaucetsbit.makejarDo a Google search something like "bitcoin faucet rotator 2017" and "bitcoin faucet list 2017" and email every site owner you can find asking if they can add your faucet to their list. Every backlink is a step in the right direction.