Name: A&Aqua Pro
Price range: $

Aquarium External Hang-On Filter: All-Round Purification for Small & Medium Aquariums (Dual Specs)

This fish toilet filter comes in two specifications, fitting 40-80cm and 60-100cm small/medium aquariums. It combines fish waste separation, multi-layer filtration, aeration, oil film removal, and flow adjustment—letting aquarists maintain water quality easily.

It uses a flat-pin power plug. For European/American users with mismatched sockets, a free adapter is included for proper use. Note: This product is compatible with 220~240V 50Hz power supplies.

1. Dual Specifications: Tailored for Tank Sizes

To start with, pick the spec that matches your tank: it fits either 40-80cm or 60-100cm small/medium aquariums perfectly.

2. Core Purification Tech: Waste Separation + Biological Filtration

Next, it cleans water from the source via two key features:

Efficient Fish Waste Separation: A stainless steel corrosion-resistant mesh traps large impurities (fish waste, leftover food). Press the “drain switch” to remove them—cutting water pollution and filter clogging risk.
3-Layer Biological Deep Purification:
1. First layer (white filter cotton): Physically filters fine debris.
2. Second layer (5-in-1 filter media): Cultivates nitrifying bacteria to break down ammonia and nitrite (harmful substances).
  
  This dual system keeps water clear long-term, creating a healthy habitat for fish.

3. Multi-Functional Integration: More Than Just Filtration

Beyond that, it’s a versatile fish-keeping tool:

Multi-Mode Water Outlets (for different scenarios):
- Duckbill outlet: Concentrated flow, ideal for dynamic water in planted tanks.
- Spray bar outlet: Gentle, dispersed flow for wide-area aeration.
- Submerged aeration mode: Directly injects oxygen to boost dissolved oxygen levels.
Comprehensive Water Quality Optimization:
- Oil film removal: Clears surface oil film for a cleaner look.
- Telescopic bottom suction: Reaches tank bottoms to clean residues without dead spots.
- Aeration: Supplements oxygen to prevent fish hypoxia.

4. User-Friendly Design: Easy for Beginners

Finally, it’s simple to operate and maintain:

Adjustable Flow Rate: A knob lets you switch flow (small for 40-80cm tanks; large for 60-100cm tanks) to match your aquarium.
Hassle-Free Maintenance & Refilling:
- Easy refill port: No pipe disassembly—twist to unlock the cap and refill.
- Modular accessories: The filter kit (boxes, cotton, etc.) is ready to use out of the box; cleaning/replacement takes one step.

With its full features (waste separation, biological purification, multi-functional support), this device solves small/medium aquarium pain points: cloudy water and tedious maintenance. Pick the right spec for your tank, and enjoy hassle-free fish-keeping with clear, stable water.

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