Monument 1378Z Drain Testing Plug 100mm (4in)

rubber - Synthetic rubber is any artificial elastomer, usually a polymer, and is used as a substitute for natural rubber.

rubber - Natural rubber is an elastomer derived from the latex containing sap of some plants.

water - A chemical substance. Chemical formula H2O.

100mm - the equivilent of 10cm

Quality - An object that has quality is superior in function and finish than a less quality object.

Size - is the measurement of how big an object is in space.

Tight - The opposite to loose

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