Full force flow 2.2 gpm aerator - Not for use in California or any state that requires lower flow rates Small male 13/16" threading, outside diameter roughly the size of a nickel Will only fit faucets that take the threading specified Junior Male with Tightening Grooves High quality aerator MPN 1507105 Spring Flo 2.2 gpm Slotted Faucet Aerator non splashing aerated flow Quality 2.2 gpm junior size male aerator (13/16", roughly the size of a nickel by outside diameter). Provides Full Forceful Spray.--------------- 2.2 gpm, dual thread kitchen or bathroom faucet aerator. Best quality and performance at a lower cost. NSF 61 approved. Trusted by plumbers since 1938, Spring-Flo aerators provide a perfect stream. With a unique air intake through side slots, Spring-Flo aerators maximize aeration, reduce splash and disassemble for easy and repeated screen cleaning. ----------------------------------- Aerated stream produces a larger and whiter stream that is soft to the touch and non-splashing. --------------Cascade aerated stream, best quality and performance at a lower cost. --- Aerated stream produces a larger and whiter stream that is soft to the touch and non-splashing. Easy to install, no tools necessary. 13/16” male threads. Comes complete with instructions.-----------------------Create a great flow faucet in your kitchen, bathroom or utility sink. Full force flow aerator - Not for use in California or any state that requires lower flow rates