Cherne MS2 Long Test-Ball Plugs are designed for waste stack testing and can be used to seal the wye to conduct sewer air tests. The plug works in multiple pipe diameters, and molded-in sealing ribs ensure a leak-free seal.
Features:- Designed for waste stack testing from floor drain to sewer pipe
- Long enough to seal wye vertical riser and sewer run
- Multi-stage deflation eliminates backsplash
- Pressure relief valve to safeguard against over-inflation
- Nylon strap and safety handle prevents plug from sliding down a line
- Includes 5' extension hose