Keep your aquarium water crystal clear and your fish healthy with this comprehensive filter media kit. It’s designed to be compatible with popular canister filters like the Fluval 206 and 207 models. You get a full set of replacements: 4 biological sponges, 2 ‘biological sponge+’, 4 ‘biological sponge max’, plus specialized pads that remove ammonia, phosphate, and nitrite (6 of each). It also includes 2 handy aquarium cleaning towels and 2 packets of silicone lubricant for the filter O-rings. Rotating these media on a schedule helps maintain perfect water chemistry, reduces harmful toxins, and supports your beneficial bacteria colony. A cost-effective way to maintain your filter without buying expensive branded refills. Always confirm the pad sizes match your specific filter model.