Upgrade your aquarium's filtration system with the JBL UNIBLOC, designed specifically to enhance the performance of Cristal Profi i filters. This replacement foam cartridge ensures your aquatic environment remains pristine and healthy for your fish.

• Optimal Water Clarity: Effectively maintains clear and healthy water, essential for the well-being of your aquatic life.
• Easy to Use: Simply add FilterStart and insert into your filter module for hassle-free setup.
• Durable Foam Structure: Features 25 ppi pores for long-lasting mechanical and biological filtration, ensuring a reliable performance.

Why buy this product? The JBL UNIBLOC not only prevents the release of harmful substances, but it also utilizes 100% water-neutral synthetic materials, making it a safe choice for your aquarium. Ensure the best for your fish with this high-quality replacement foam cartridge.