Cherne 270138 3-1/2″ Clean-Out Gripper Plug , 17 PSI, 40FT
Patented threaded O-ring ensures airtight seal. Stainless steel hardware prevents corrosion. Black color blends well with cast-iron pipe. NPT-sized. Guaranteed to seal all damaged threads. Made with glass-reinforced ABS plastic and natural rubber O-ring.
