Comparison : |
Item # 2" 6-61-RF WCB SWING CHECK, Check Valves - Class 600 Item # 3" 6-61-RF WCB SWING CHECK, Check Valves - Class 600 Item # 4" 6-61-RF WCB SWING CHECK, Check Valves - Class 600 Item # 6" 6-61-RF WCB SWING CHECK, Check Valves - Class 600 Item # 8" 6-61-RF WCB SWING CHECK, Check Valves - Class 600
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