Durable 304 stainless steel construction for long-lasting use. Innovative external thread pressure reducing valve for enhanced safety and stability. Upgraded bubble meter design for easy water addition and improved functionality. Reliable and efficient CO2 generation, superior to plastic bottle systems. Advanced filtration design with multiple layers for consistent performance. The ZRDR Aquarium CO2 Generator System is a state-of-the-art solution for enhancing your aquatic environment. Crafted from high-quality 304 stainless steel, this generator is designed to provide a reliable and efficient source of carbon dioxide for your fish tank. The innovative external thread pressure reducing valve ensures a larger capacity and greater safety, while the upgraded bubble meter allows for easy water addition. Say goodbye to outdated systems and embrace the durability and efficiency of this professional-grade CO2 generator. Perfect for both novice and experienced aquarists, it promises to elevate your aquarium’s health and aesthetics. Dimensions: 20 x 13 x 13 cm. Weight: 1.24 kg.