faucet aerator 1)size:M22*1 M24*1 M28*1 2)material:ABS core ,brass or S.S. shell 3)net core,benz core we ... have many kinds of faucet spout parts,like aerator ,nuts,and connectors,many types ... and faucetpipes.effective info for inquiries:aerator:1)outer shell material:brass,stainless steel,zinc2)aerator core :shape, surface construction,better showing pictures3 ...