2" 50mm 55mm Test Bung Drain Testing Water Test Air Test Butterfly Screw Plug

• You will receive 2 test bungs
• Winds from 50mm to 62mm 
• For water or air testing drains & waste pipes
• Comes with standard 1/2" bsp thread capped with washer
• Connection thread if needed is 1/2" bsp (measures 21mm)