Thank you for your question. Delta Faucet model # 300-SS-DST has an aerator that is 15/16-27. While we do not manufacture an adapter for portable dishwashers to fit this aerator, we know that they are out there. You will want to make sure that there is a tight seal when using your dishwasher as any leaks that happen during use are not covered under the warranty. Not all of our faucets can be used with a portable dishwasher and those include pull downs, pull outs and any faucet with a cache aerator.