1.Good raw material 2.Professional factory 3.FEMALE ADAPTOR 4.0.6-1.6Mpa & 20-110mm 5.Easy ... 2.size: 20*1/2" to 110*4" 3.color:bule/black 4.standard:DIN 5.the best ... we have other models.such as tee,elbow,coupling,adaptor.for more information,pls visit our website.if you ... have interest,pls feel free to contact us.FEMALE ADAPTOR Advantages:1) Healthy, bacteriological neutral, conforming to drinking ...