| Comparison : | Item # NLH730D, WD-3100 - Butterfly Valve - Ductile Iron, Wafer Type, 250 PSI Item # NLH730E, WD-3100 - Butterfly Valve - Ductile Iron, Wafer Type, 250 PSI
 Item # NLH730F, WD-3100 - Butterfly Valve - Ductile Iron, Wafer Type, 250 PSI
 Item # NLH730H, WD-3100 - Butterfly Valve - Ductile Iron, Wafer Type, 250 PSI
 Item # NLH730J, WD-3100 - Butterfly Valve - Ductile Iron, Wafer Type, 250 PSI
 
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