Marketing InformationKeep your drainage cleanout-free from debris and vermin with the AB&A™ ABS countersunk cleanout plug. Available in a variety of sizes, this threaded plastic cleanout plug creates a tight seal to prevent wastewater, noxious fumes and dangerous sewer gases from leaking out of the cleanout. It features a slotted head design that requires a cleanout plug wrench to open, helping to prevent tampering (wrench sold separately). And unlike metal models, this plug has a durable ABS or PVC construction that won't rust or corrode in outdoor environments.