FRELEAN 20PCS Aquarium Check Valve | Unidirectional Pump Valve for Fish Environment | Stops Water Backflow/Preserves Equipment | Sturdy Plastic Oxygen System Accessories

Produktbeschreibung

Water Backflow Control - These check valves block reverse water flow when pumps stop working, preserving your pump and aquarium equipment from harm. Essential protection device for all fishkeeping setups. Flexible Placement Options - Pump check valves allow you to position your pump above or below water level without backflow risks. Addresses placement limitations of standard aquarium configurations. Sturdy Plastic Construction - Made of excellent, oxidation-proof plastic that endures constant water exposure. Ensures consistent long-term function for fish environments and oxygenation systems. Emergency Protection - Serves as crucial barrier during electricity failures, stopping water from flooding your pump and creating electrical risks or property harm. Universal Compatibility - Fits standard 4mm tubing, making these valves ideal for most aquarium pumps, bubble stones, and oxygenation systems. Pack of 20 accommodates multiple aquarium configurations.