9 out of 10 units work great when tested. Inexpensive and essential to prevent the aquarium from flooding. My pump is at the bottom of my tank and the valve is at the top and that definitely prevents water from being pumped out in direct flooding.
Powerful And Quiet Submersible Pump For Aquarium, Pond, And Hydroponics: KEDSUM 660GPH Pump With 6Ft High Lift And 3 Nozzles
29 Review
Sink filter Prio New Water Start Osmos OU380 white
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πΏ Enhance Your Freshwater Fish Tank with Greenpro Java Fern on Driftwood Live Aquarium Plants
27 Review
Aquael Fan Filter Mikro Plus
35 Review
Steam cleaner Deerma Deerma DEM-ZQ610 EU, white/red
68 Review
Efficient 2-In-1 Magnetic Fish Tank Cleaner With Non-Slip Design And Scratch-Free Blades
37 Review
Vacuum cleaner TEQQO Aquastick 3 in 1 Power, grey/turquoise
26 Review
Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review