Okllen Negative Pressure Fish Tank Acrylic, Auto-Refill Hanging Aquarium with Fish Elevator, Water Level Maintenance & 360° View, Space-Saving External Suspended Tank for Betta/Guppy

Negative Pressure Auto-Refill Technology: This external hanging fish tank uses advanced negative pressure technology to automatically maintain optimal water levels, eliminating manual refills. The vacuum-sealed design ensures stable evaporation control for healthier fish.

360° View: Crafted from ultra-transparent PC acrylic, this negative pressure aquarium offers distortion-free viewing from all angles. Watch your betta/guppy explore their expanded activity space with stunning clarity.

Tool-Free Installation: Includes 3 fixed buckles for instant mounting on any tank wall (up to 18mm thick). No drills or tools needed – simply attach and enjoy your space-saving suspended aquarium.

Expand Fish Activity Area: The negative pressure fish elevator creates an aerial habitat, encouraging natural swimming behaviors. Boost oxygen circulation and reduce stress for lively, active fish.

Low-Maintenance Aquarium Upgrade:A decorative negative pressure aquarium that keeps water pristine with minimal effort