The Original Big-Mouth® Plug:
- Large male NPT threaded bypass
- Equipped with removable 3/8″ eye bolt for lifting and lowering with a poly-lift line
- Removable tire valve allows for easy replacement
- Lightweight aluminum bypass
Multi-Size Big-Mouth® Plug with Interchangeable Flanges:
- Multi-size offers great expansion range
- Lightweight aluminum bypass
- Feature interchangeable bypass flange, allowing the same plug to be used for different applications
- Removable tire valve allows for easy replacement
The Big Mouth also has an optional cap-style conversion kit that can be used for sewer air testing and allows for quick inflate/deflate during tests.