Danco, Inc. 36108E Faucet Snap Nipple Aerator Adaptor, Brass Made of chrome-plated brass for greater durability For male 15/26-27 or female 55/64-27 threads. This product offers a snap connection to make installation easier. This product is in compliance with the Reduction of Lead in Drinking Water Act. This product is extremely easy-to-install to make it easier on you, the consumer.