Enhance your aquarium air system with this high-quality Check Valve, expertly designed to ensure reliable performance and protect your aquatic environment. Constructed with durable ABS plastic and featuring an internal stainless steel spring, this valve offers excellent corrosion resistance and a strong anti-reverse function to prevent backflow, ensuring the safety of your fish and equipment. Key Features: · Durable Stainless Steel Spring: Provides effective anti-reverse protection and superior corrosion resistance, extending the valve's lifespan in humid or wet aquarium conditions. · Low Resistance Design: Optimized for minimal airflow resistance, making it ideal for air motors and carbon dioxide control systems in aquarium setups. · Streamlined and Compact Appearance: Sleek, combined design that is both aesthetically pleasing and functional, with a removable and washable structure for easy maintenance. · Air Duct Blocking Function: Prevents air burst and backflow, effectively safeguarding your aquatic life from potential harm caused by water siphoning. · Easy Installation: Simply remove the locking nut, insert the nut into the air tube, confirm the correct inlet and outlet air direction, connect the air pipe, and tighten the locking nut for a secure fit. Specifications: · Material: ABS Plastic · Model: I-577 · Color: As Pictures Shown · Size: Approx. 4.5 x 2 cm (1.8 x 0.8 inches) · Weight: Approx. 13g Package Includes: · 1 x Check Valve This Check Valve is a reliable and essential component for maintaining a healthy and safe aquarium air system. Its corrosion-resistant materials, efficient airflow design, and simple installation make it a perfect choice for both hobbyists and professionals seeking to protect their aquatic life effectively.