3in Water Drain Testing Plug
The Monument testing plugs are durable, quality flexible drain plug for the pluging of drains and pipes. These plugs are easy to use just place in the pipe end that is being repaired or replaced and simply turn the wing nut knob, this will depress the rubber cone, this will make it expand to seal pipe or tube end with a water tight seal.
Used for blocking off drain pipes.
Fitted with removable top caps and rubber rings.
Size 75 mm (3 in)
Capable of sealing against pressures of up to 2.24 bar / 33 psi.