Small Aquarium Sponge Filter, Small Fish Tank Filter & Mini Submersible Fish Filter Built-in Air Bubble Stone and Bio Sponge for Fish Tanks up to 5 Gallon (Air Pump Not Included)

Price: $12.49 - $6.99
(as of Sep 30, 2025 19:33:52 UTC – Details)

Product Description

The EKMOIS Mini Aquarium Sponge Filter is a compact and efficient filtration system designed for small aquariums up to 5 gallons. This 3-stage filtration system combines mechanical and biological filtration to remove debris, toxins, and odors, ensuring crystal-clear water and a healthy habitat for fish.

Features

• Combines mechanical and biological filtration for efficient water purification
• Ultra-quiet operation with a low-noise water pump (below 30 dB) for peaceful ambiance
• Small and space-saving design (2.6" W x 2.2" H) for maximized tank space
• Adjustable water flow for gentle circulation
• Easy to clean and maintain with detachable sponge filter
• Suitable for breeding and feeding of various ornamental fish, tortoise, or shrimp

Pros

• Efficient 3-stage filtration system for clean and healthy water
• Ultra-quiet operation for peaceful ambiance
• Space-saving design for maximized tank space
• Easy to clean and maintain
• Affordable price point

Cons

• Limited capacity for small aquariums up to 5 gallons
• Air pump not included in the package (required air pump: < 2 W)
• Sponge filter needs to be replaced every 2-4 months

Product Details

• Package Dimensions: 2.6 x 2.32 x 2.24 inches; 2.89 ounces
• Item model number: Mini Aquarium Sponge Filter
• Date First Available: February 19, 2025
• Manufacturer: EKMOIS
• ASIN: B0DXQF2KPN
• Best Sellers Rank: #33,523 in Pet Supplies, #158 in Aquarium Filters
• Customer Reviews: 3.8 out of 5 stars, 19 ratings

Maintenance and Cleaning

The sponge filter can be easily detached for cleaning. Rinse the sponge every 2 to 3 weeks with aquarium water. Replace the white sponge every 2-4 months to maintain optimal performance.