Big Horn 4 in. PVC Pipe Adapter is designed to connect 4-inch PVC pipes to standard 4-inch dust collection fittings seamlessly. Crafted from durable black ABS plastic, this adapter fits thin wall sewer drain pipes and ensures a secure connection when used with PVC adhesive (not included). Its reliable construction makes it an i choice for various plumbing and dust collection applications, providing a sturdy and efficient solution for your piping needs. Model Number: 11426