Comparison : |
Item # NLH800D, WD-3510 - Butterfly Valve - Ductile Iron, Fire Protection, UL Listed Item # NLH800E, WD-3510 - Butterfly Valve - Ductile Iron, Fire Protection, UL Listed Item # NLH800F, WD-3510 - Butterfly Valve - Ductile Iron, Fire Protection, UL Listed Item # NLH800H, WD-3510 - Butterfly Valve - Ductile Iron, Fire Protection, UL Listed Item # NLH800J, WD-3510 - Butterfly Valve - Ductile Iron, Fire Protection, UL Listed
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