3-in-1 Mini Aquarium Sponge Filter & Quiet Air Pump 3W/5W

$23.69 $32.06

3-in-1 Mini Aquarium Sponge Filter with Quiet Air Pump – 3W / 5W

Keep your small fish tank crystal clear and your aquatic friends thriving with this compact 3-in-1 Mini Aquarium Sponge Filter. Designed specifically for small tanks — including spherical, novelty-shaped, and standard home aquariums — this all-in-one unit handles filtration, water circulation, and oxygen supply in one whisper-quiet package. Made in Mainland China.

Why You'll Love It

3-in-1 Functionality: Combines mechanical filtration, continuous water circulation, and reliable oxygen aeration to create a healthy, balanced aquatic environment.
Ultra-Quiet Operation: Engineered for near-silent running so your fish — and you — enjoy a peaceful atmosphere around the clock.
Compact & Versatile: Small footprint makes it ideal for spherical bowls, irregularly shaped tanks, and other compact home aquariums where larger filters simply won't fit.
Powerful Suction-Cup Mount: The strong suction-cup base lets you position the filter anywhere inside the tank wall — no tools required.
Fully Submersible: Designed to work completely underwater for efficient, consistent performance.
Easy Maintenance: Rinse the sponge monthly and replace it every 5–6 months — that's all it takes to keep it running at peak efficiency.
Low Energy, High Efficiency: Choose the 3W option for tanks up to 300L/H flow, or the 5W option for higher-demand setups up to 600L/H.

Specifications

Material	Plastic
Voltage	AC 220–240V
Available Power	3W / 5W (choose your option)
3W – Head / Flow	0.5m / 300 L/H
3W – Package Weight	140g
3W – Package Size	8.5 × 5.5 × 13.5 cm
5W – Head / Flow	0.75m / 600 L/H
5W – Package Weight	180g
5W – Package Size	8.5 × 5.5 × 16.5 cm
Country of Origin	Made in Mainland China

Package Contents

1× 3-in-1 Mini Aquarium Sponge Filter (3W or 5W, as selected)

Tips for Best Results

Always operate the filter fully submerged in water.
Avoid pairing with an oversized air pump — uneven water-to-air mixing can reduce effectiveness.
Clean the sponge once a month with tank water (not tap water) to preserve beneficial bacteria.
Replace the sponge every 5–6 months for optimal filtration.

Frequently Asked Questions

Q: What size fish tank is this mini aquarium sponge filter suitable for?

A: This 3-in-1 mini filter is designed specifically for small aquariums, including spherical fish bowls, novelty-shaped tanks, and standard compact home fish tanks. The 3W model delivers up to 300L/H flow, while the 5W model handles up to 600L/H — making both ideal for smaller setups.

Q: Does the filter need to be fully submerged in water to work?

A: Yes. This filter is designed to operate when completely submerged. Partial submersion may reduce performance and could cause noise or damage to the unit.

Q: How often do I need to clean or replace the sponge?

A: For best results, rinse the sponge gently once a month using aquarium water (avoid tap water to protect beneficial bacteria). Replace the sponge entirely every 5 to 6 months to maintain efficient filtration and healthy water quality.

Q: What voltage does this aquarium filter run on?

A: This filter is compatible with AC 220–240V power supplies, making it suitable for standard household outlets in most countries outside North America. Please verify your local voltage before purchasing.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.