Aquarium Check Valves (10 Pack) – One-Way Air Pump Non-Return Valves
Stop back-siphoning and protect your pump with these aquarium check valves. Fitted into the air line, the one-way valves let air through but block water from flowing back if the pump stops.
- 10-pack for spares and multi-tank setups
- One-way flow prevents back-siphon
- Fits standard silicone air tubing
- Protects pumps and prevents leaks
Cheap insurance for any air-pumped aquarium.
































