The Cherne 610338 I-Series Test-Ball with Sleeve is an expandable rubber test plug suitable for pipes sized 15 to 32 inches. It features full body cording for added durability and is designed to test drain, vent, and waste systems. This model meets the size and expansion needs for both U.S. and international applications. This item is not currently available for rent. Call us to discuss adding one to the rental fleet.