| Materials of Construction |
| | | 3- and 6-place steel units |
| | Stainless steel body, 3-way valves, and filter holder supports; anodized aluminum handles; stainless steel hose connector and pipe plug |
| | | PVC body; stainless steel 2-way valve; polypropylene hose adapters and handles |
| | | Filter holder supports accept No. 8 silicone perforated stopper |
| | | Hose adapters for 3/16 in. to 1/4 in. tubing; each holder has a 3-way valve for venting |
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