Delta Tap Washer 1/2" BSP Replacement 15.75mm Diameter (Pack of 4) SKU : 100197 Delta Tap Washer Replacements 1/2" British Standard Pipe Thread Outside Diameter : 15.75mm Inside Hole Diameter : 5.00mm Thickness : 5.30mm Quantity in Pack : 4 Please note BSP Sizes are not the same as displayed on a ruler. If you are unfamiliar with BSP sizes please use the metric size as your reference.
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