Oatey 4 In. Single Size Test Ball Wood Screws packages are tri-lingual & die

packages are tri-lingual & die cut for customer convenience

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

Campbell Hausfeld model No

28 LB Working Load Limit

Polarized Plug

Oatey 4 In. Single Size Test Ball Wood Screws packages are tri-lingual & dieSingle 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.