The 4" 22-1/2" Degree 1/16" Bend Sewer Fitting is designed to create smooth directional changes in drain and waste systems while maintaining optimal flow. Constructed from durable materials, this fitting provides long lasting durability and resistance to corrosion, chemicals, and impact. The 1/16" bend (22-1/2" degree angle) allows for gradual turns that help reduces clogs and ensure efficient drainage.