Monument Dry Testing Drain Plug 37mm x 45mm

The Monument Dry Testing Drain Plug in 37mm x 45mm size is perfect for blocking off small to medium pipes during repair or testing work. This compact size makes it particularly suitable for blocking off small pipes such as copper for dry testing prior to commissioning. This plug features a flexible rubber cone that expands when the wing nut knob is turned, creating a reliable watertight seal. Simply place the plug in the pipe end and turn the knob to depress the rubber cone—the expansion securel