Automatic Water Filler Controller - Adjustable Float Valve Auto Top Off System for Aquarium & Fish Tank | Perfect for Freshwater & Saltwater Tanks, Hydroponics & Water Features

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2. Float valve for manual adjustment, no other tool, no metal screws, no corrosion.

3. Comes with a O-ring, can meet 16/12 water tube, don't leak.

1. This auto-top-off system is easy to install on to your aquarium sump.

5. The bracket is made of high quality material, stable and heavy enough, not easily knocked.

Features: