Series: 2901 - 2903 - 2921 - 2931 - 2938 - 2939 - 2905 - RSW Ports: M5, G1/8, G1/4, G3/8, G1/2, G3/4, G1
| Construction | body with male and female thread |
| Materials used for body | 2901 - 2903: brass 2921 - 2931: coppering steel 2938 - 2939: polyethylene |
| Materials used for silencing | 2901 - 2903: stainless steel 2921 - 2931: bronze (sintered) 2938 - 2939: polyethylene |
| Ports | M5 - G1/8 - G1/4 - G3/8 - G1/2 - G3/4 - G1 |