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.

• 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