Though not the original, the filter sponge is of good quality and made with the same materials as the genuine product. Customers can click on "honest-fly" to choose the foam in our shop.

The product features include:

• Packing includes 6 pieces of bio sponge.
• The sponge should be changed every 3-4 weeks.
• The sponge is custom-designed and manufactured for the Penn Plax Cascade 300 Internal Filter.
• It optimizes the colonization of beneficial aerobic bacteria, removing ammonia and nitrites to keep your aquarium clean and healthy.

It's important to note that 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 the purpose of demonstrating compatibility.

The filter sponge is a high-quality alternative to the original, offering the same functionality and performance. Crafted with the same materials, the sponge provides effective biological filtration to maintain a clean and healthy aquarium environment.

Customers can easily replace the sponge every 3-4 weeks, as recommended, to ensure optimal filter performance. The custom design ensures a perfect fit for the Penn Plax Cascade 300 Internal Filter, making the replacement process seamless.

One of the key features of the filter sponge is its ability to optimize the colonization of beneficial aerobic bacteria. This process helps to remove ammonia and nitrites from the aquarium water, contributing to the overall cleanliness and health of the aquatic ecosystem.

It's important to note that while this product is designed for use with the Penn Plax Cascade 300 Internal Filter, it is not an official Penn Plax product. The Penn Plax brand names and logos are the registered trademarks of their respective owners, and any use of these in relation to this product is solely for the purpose of demonstrating compatibility.

Overall, the filter sponge is a reliable and effective alternative to the original, offering the same level of performance and quality at a competitive price point. Customers can trust that this sponge will provide the necessary biological filtration to maintain a thriving aquarium environment.

product information: