Oatey 4 In. Single Size Test Ball Wood Screws Polarized Plug

Polarized Plug

Smooth flow hydraulics deliver high performance for demanding applications

500 square feet of lawn

486BFP/485BFP

UL-723/ASTM E84 rated for flame spread and smoke development

Oatey 4 In. Single Size Test Ball Wood Screws Polarized PlugSingle Size Test Ball is a must for those involved in the installation and repair of residential, commercial and industrial pipping systems. Can be used for head pressure testing or as a blocking plug for low pressue air testing. Easily fits test tees, sanitary tees, floor drains and roof vents. Much more flexible than traditional mechanical plugs. Made from long lasting, natural rubber. Molded with Cherne's trademarked rib design. Includes a 12 In.