Fluidmaster PRO45B Fill Valve with Brass Shank, Black Fluid master PRO45B has a heavy duty brass shank that won't crack, corrode or strip. While it's tough on the outside, it's quiet on the inside. The special shank cuts down on noise and makes water hammer go away. Preferred by professional plumbers. Heavy-duty brass shank. Brass shank for added durability. Ultra-quiet operation. Minimal water hammer.
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