Best Ltwhome in 2026

Good for freshwater & marine environments

Enhances biological filtration.

Good for freshwater & marine environments

Provides efficient water flow with less clogging for long lasting filtration

Provides efficient water flow with less clogging for long lasting filtration.

Provides efficient water flow with less clogging for long lasting filtration.

Optimizes the colonization of beneficial aerobic bacteria removes ammonia and nitrites keeping your aquarium clean and healthy

This is not a Penn Plax product and is not covered under any Penn Plax manufacturer's warranty. The Penn Plax brand names and logos are the registered trademarks of their respective owners. Any use of the Penn Plax brand name or model designation for this product is made solely for purposes of demonstrating compatibility

Blue Nylon scrubbing strips to tackle tough grease and grime, helps slide smoothly when sweeping the floor.

Durable, reusable and machine-washable.

Machine washable and time-saving

Works great on most hard floors and for cleaning home, office ,schools, hospitals, floor, walls, dust off your t.v or blinds

Change every 3-4 weeks

Safely and Effectively Cleans all Hard-Floor Surfaces

Machine Washable and Reusable

Optimizes the colonization of beneficial aerobic bacteria removes ammonia and nitrites keeping your aquarium clean and healthy

This is not a Penn Plax product and is not covered under any Penn Plax manufacturer's warranty. The Penn Plax brand names and logos are the registered trademarks of their respective owners. Any use of the Penn Plax brand name or model designation for this product is made solely for purposes of demonstrating compatibility

Provides efficient water flow with less clogging for long lasting filtration

Enhances biological filtration

Suitable for the Fluval U4 filtration systems

Provides efficient water flow with less clogging for long lasting filtration

Chemically filtered through Black Diamond Premium Activated Carbon.

BIO-Wheel technology delivers wet/dry biological filtration for nitrifying bacteria growth.

USAGE Change every 2 weeks or sooner if there is reduced water flow

Age Range Description: All Life Stages

🐟 EASY INSTALLATION - Simply rinse under cold water and easily install using the "FRONT" orientation tab.

🐟 MULTIPLE SIZES AVAILABLE - Aqueon Replacement Cartridges are available in X-Small, Small, Medium, and Large.

🐟 OPTIMAL PERFORMACE - For optimal performance, change approximately every 4 weeks.

🐟 VERSATILE - Fits Aqueon QuietFlow Filter: E Internal Power Filter Size 10 and MiniBow Aquarium Filters Size 1, 2.5 and 5.

🐟 TRUSTED - Developed by true aquatic hobbyists, Aqueon provides a broad array of aquarium solutions to help maintain healthy, life-sustaining aquatic environments. From inception, Aqueon had one goal in mind: “Doing what is best for the health and well-being of fish and aquatic life.”

Includes: 4 pack

🐟 EASY INSTALLATION - Simply rinse under cold water and easily install using the "FRONT" orientation tab.

🐟 MULTIPLE SIZES AVAILABLE - Aqueon Replacement Cartridges are available in X-Small, Small, Medium, and Large.

🐟 OPTIMAL PERFORMACE - For optimal performance, change approximately every 4 weeks.

🐟 VERSATILE - Fits Aqueon QuietFlow Filter: LED PRO Power Filter Size 10, Power Filter Size 10 and E Internal Power Filter Size 20.

🐟 TRUSTED - Developed by true aquatic hobbyists, Aqueon provides a broad array of aquarium solutions to help maintain healthy, life-sustaining aquatic environments. From inception, Aqueon had one goal in mind: “Doing what is best for the health and well-being of fish and aquatic life.”

Carbon Pads remove pollutants and organic debris that discolor water, improving water clarity and reducing odor

Fits Aqueon QuietFlow LED PRO Aquarium Power Filter 30 and 50

🐟 EASY INSTALLATION - Simply rinse under cold water and easily install using the "FRONT" orientation tab.

🐟 MULTIPLE SIZES AVAILABLE - Aqueon Replacement Cartridges are available in X-Small, Small, Medium, and Large.

🐟 OPTIMAL PERFORMACE - For optimal performance, change approximately every 4 weeks.

🐟 VERSATILE - Fits Aqueon QuietFlow Filter: LED PRO Size 20, 30, 50 and 75, Power Filter Size 20, 30, 50, 55/75, E Internal Size 40, Canister Filter Size 200, 300 and 400.

🐟 TRUSTED - Developed by true aquatic hobbyists, Aqueon provides a broad array of aquarium solutions to help maintain healthy, life-sustaining aquatic environments. From inception, Aqueon had one goal in mind: “Doing what is best for the health and well-being of fish and aquatic life.”

🐟 EASY INSTALLATION - Simply rinse under cold water and easily install using the "FRONT" orientation tab.

🐟 MULTIPLE SIZES AVAILABLE - Aqueon Replacement Cartridges are available in X-Small, Small, Medium, and Large.

🐟 OPTIMAL PERFORMACE - For optimal performance, change approximately every 4 weeks.

🐟 VERSATILE - Fits Aqueon QuietFlow Filter: LED PRO Power Filter Size 10, Power Filter Size 10 and E Internal Power Filter Size 20.

🐟 TRUSTED - Developed by true aquatic hobbyists, Aqueon provides a broad array of aquarium solutions to help maintain healthy, life-sustaining aquatic environments. From inception, Aqueon had one goal in mind: “Doing what is best for the health and well-being of fish and aquatic life.”

Chemically filtered through Black Diamond Premium Activated Carbon

BIO-Wheel technology delivers wet/dry biological filtration for nitrifying bacteria growth

Ammonia Reducing Pads help to remove excess harmful or toxic ammonia while trapping excess waste, food and other organic debris

Fits Aqueon QuietFlow LED PRO Aquarium Power Filter 10

Carbon Pads remove pollutants and organic debris that discolor water, improving water clarity and reducing odor

Fits Aqueon QuietFlow LED PRO Aquarium Power Filter 10

Chemically filtered through Black Diamond Premium Activated Carbon.

BIO-Wheel technology delivers wet/dry biological filtration for nitrifying bacteria growth.

🐟 EASY INSTALLATION - Simply rinse under cold water and easily install using the "FRONT" orientation tab.

🐟 MULTIPLE SIZES AVAILABLE - Aqueon Replacement Cartridges are available in X-Small, Small, Medium, and Large.

🐟 OPTIMAL PERFORMACE - For optimal performance, change approximately every 4 weeks.

🐟 VERSATILE - Fits Aqueon QuietFlow Filter: LED PRO Power Filter Size 10, Power Filter Size 10 and E Internal Power Filter Size 20

🐟 TRUSTED - Developed by true aquatic hobbyists, Aqueon provides a broad array of aquarium solutions to help maintain healthy, life-sustaining aquatic environments. From inception, Aqueon had one goal in mind: “Doing what is best for the health and well-being of fish and aquatic life.”

🐟 EASY INSTALLATION - Simply rinse under cold water and easily install using the "FRONT" orientation tab.

🐟 MULTIPLE SIZES AVAILABLE - Aqueon Replacement Cartridges are available in X-Small, Small, Medium, and Large.

🐟 OPTIMAL PERFORMACE - For optimal performance, change approximately every 4 weeks.

🐟 VERSATILE - Fits Aqueon QuietFlow Filter: E Internal Power Filter Size 10 and MiniBow Aquarium Filters Size 1, 2.5 and 5.

🐟 TRUSTED - Developed by true aquatic hobbyists, Aqueon provides a broad array of aquarium solutions to help maintain healthy, life-sustaining aquatic environments. From inception, Aqueon had one goal in mind: “Doing what is best for the health and well-being of fish and aquatic life.”

Chemically filtered through Black Diamond Premium Activated Carbon.

BIO-Wheel technology delivers wet/dry biological filtration for nitrifying bacteria growth.

For best results, replace monthly or as required after testing water with your Fluval test kit (sold separately)

Includes 4 Nitrite Remover inserts for use in freshwater and saltwater aquariums

Specifically designed for the Fluval Flex aquarium series

Includes one replacement foam filter block