Comparison : |
Item # NHDX00E, F-908-W - Check Valve - Iron, Fire Protection, Horizontal Swing Item # NHDX00F, F-908-W - Check Valve - Iron, Fire Protection, Horizontal Swing Item # NHDX00H, F-908-W - Check Valve - Iron, Fire Protection, Horizontal Swing Item # NHDX00J, F-908-W - Check Valve - Iron, Fire Protection, Horizontal Swing Item # NHDX00K, F-908-W - Check Valve - Iron, Fire Protection, Horizontal Swing
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