The RS-3300D Liquid Filter is a submersible internal aquarium filter designed to provide efficient water circulation, oxygenation, and multi-stage filtration in one compact unit. It is widely used for small to medium aquariums to maintain clean, clear, and healthy water conditions for fish and aquatic plants.

This filter uses a high-performance centrifugal pump system combined with a filter sponge media to remove waste particles and support beneficial bacteria growth, helping stabilize the aquarium ecosystem.

⚙️ Key Specifications

• Model: RS-3300D
• Type: Internal Submersible Liquid Filter
• Power Consumption: ~30W
• Flow Rate: Up to 1800 L/H
• Voltage: 220–240V / 50Hz
• Max Lift: ~1.6m
• Filtration Type: Mechanical + Biological + Chemical (depending on media setup)
• Installation: Fully submersible inside aquarium

🌊 Working System

1. 💧 Water Circulation

• Strong pump creates continuous water movement
• Prevents dead spots in the aquarium
• Helps distribute heat and nutrients evenly

2. 🧼 Mechanical Filtration

• Sponge traps dirt, fish waste, and debris
• Keeps water visibly clean

3. 🦠 Biological Filtration

• Supports beneficial bacteria growth
• Helps break down ammonia and nitrite

4. 🧪 Chemical Filtration (optional media)

• Activated carbon or similar media can be added
• Helps remove odor, color, and toxins

5. 🫧 Oxygenation

• Surface agitation improves oxygen levels
• Supports healthy fish respiration

🐟 Suitable For

• Small to medium freshwater aquariums
• Community fish tanks
• Goldfish, guppies, molly, betta setups
• Lightly stocked planted tanks
• Beginner aquarium setups

🌟 Key Features

• ✔ Strong multi-function filtration system
• ✔ High flow rate (up to 1800 L/H)
• ✔ Built-in aeration support
• ✔ Energy-efficient operation (~30W)
• ✔ Easy installation with suction cups
• ✔ Suitable for freshwater and saltwater tanks
• ✔ Compact internal design