White UPVC Non-Return / Check Valve
£14.17
A UPVC non-return valve designed to allow water to flow in one direction while helping prevent reverse flow through aquarium pipework.
Particularly useful on return pump lines and filtration systems where backflow needs to be controlled.
Available Sizes: 20mm / 25mm / 32mm
Key Features: Helps prevent reverse water flow, union-style connections for easier maintenance, suitable for aquarium return lines, durable corrosion-resistant construction.
As with any aquarium check valve, regular inspection and cleaning is recommended; it should not be relied upon as the sole protection against sump overflow.