This Mueller Streamline 3-inch PVC DWV Hub x Hub couplingGo to product viewer dialog for this item. is a high-quality plumbing fitting engineered for connection in non-pressure drain, waste, and vent systems. It serves to join lengths of 3-inch PVC piping securely using solvent-welded connections. Built from durable Schedule 40 polyvinyl chloride, it offers high impact strength and exceptional resistance to corrosion, chemical degradation, and abrasion. The smooth interior finish reduces internal friction and minimizes potential material buildup in gravity-fed waste elimination setups. It operates optimally in applications not exceeding a maximum service temperature of 140 degrees Fahrenheit. This listing contains 200 units in used-fair condition, suitable for large-scale plumbing repairs or drainage installations