The adapter with EX 400/600/700 seal from Tetra is an essential accessory for aquarium filters that ensures a reliable connection between the filter and the aquarium operation. This adapter is specifically designed for the EX 400, EX 600, and EX 700 models, allowing for easy installation and handling. Using the adapter ensures optimal regulation of water flow, which is crucial for the health of the aquarium ecosystem. The seal guarantees a secure closure to prevent leaks and maximize filter efficiency. The adapter is made from high-quality materials that provide durability and resistance to the conditions in the aquarium. With this product, aquarium owners can ensure that their filtration system operates smoothly and that water quality remains at a high level. The adapter is a practical solution for anyone looking to optimize their aquarium care.