Double O-ring 20" Big Blue Filter Housing
| Model | BB20 |
| Type | 20" Big Blue filter housing |
| Cap Color | Black / White |
| Housing Color | Blue / White / Gray |
| Port size size | 3/4", 1", 1.5" |
| Threaded | NPT or BSP |
| Pressure Relief | Optional |
| Patent | U.S.A patent #5985143 |
| Certification |
NSF/ANSI 42 Drinking Water Treatment Units - Aesthetic Effects |
| Operating pressure | Max. 125 PSI |
| Operating temperature | 4 ~ 38℃(40 ~ 100℉) |