ALEGI 4pcs Small Aquarium Bio Sponge Filter with Suction Cups, Check Valves for 5 Gal, 10 Gal, 20 Gal Breeding Fry Betta Shrimp Fish Tank (Up to 20 Gallon 4 Pcs)

Price: $15.99
(as of Jan 14, 2026 16:06:23 UTC – Details)

Product Description

The 4pcs Small Aquarium Bio Sponge Filter with Suction Cups, Check Valves is designed for 5 Gal, 10 Gal, 20 Gal Breeding Fry Betta Shrimp Fish Tank. This product provides both mechanical and biological filtration, making it a great way to clean and oxygenate your fish tanks.

Features

• Easy to set up and clean: simply install an airline into the unit and turn on the air pump, then rinse and squeeze the sponge in tank water.
• Using an air hose, connect one end to your air pump and the other end to this filter, equipped with a check valve on the air hose to prevent water backflow and air pump damage due to power outage.
• Recommend tank size: 10 Gallon.
• Includes: 4 Pcs of sponge filter, 4 Non-return check valves, 4 control valves, and 4 suction cups to make it well-organized.

Product Details

• Package Dimensions: 5.31 x 5.2 x 4.02 inches; 1.04 Pounds
• Date First Available: August 14, 2021
• Manufacturer: ALEGI
• ASIN: B09CMQDBTV

Ratings and Reviews

• Best Sellers Rank: #35,646 in Pet Supplies, #431 in Aquarium Filter Accessories
• Customer Reviews: 4.5 out of 5 stars (512 reviews)

Pros

• Provides both mechanical and biological filtration.
• Easy to set up and clean.
• Prevents water backflow and air pump damage.
• Suitable for small to medium-sized tanks.

Cons

• Limited information on the durability of the product.
• May not be suitable for larger tanks.