Overall Length: 50mm
Overall Width: 43mm

The 40mm Black Waste Male–Male Joiner is designed to securely connect two 40mm female waste fittings, providing a strong and reliable extension within your pipework system. Manufactured from durable, high-quality plastic, this fitting ensures long-lasting performance in pond, aquarium, and general waste applications.

The Four Main Types of Pipework Used on Koi Ponds

Getting your pipework right is essential for building a reliable and efficient koi pond system. There are four main types of pipe commonly used in pond installations:

1. Metric Pressure Pipe
2. Imperial Pressure Pipe
3. Black Waste Pipe
4. ABS Pipe