Set of 2 stainless steel check valves for aquarium, CO2 for 4mm air tubing, air pump, diffuser

HIGH-QUALITY MATERIAL: This aquarium check valve kit is made of high-quality stainless steel, ensuring a long service life and corrosion resistance.

EFFICIENT AIR CONDITIONING: The aquarium check valve has a 4mm diameter, ideal for air tubing and CO2 systems with a diameter of 4 to 6mm, ensuring precise and efficient air conditioning in your aquarium.

Safe and reliable performance: The aquarium CO2 check valve effectively prevents water from flowing back into the air tubing, protecting your air pump and CO2 system. This guarantees reliable performance.

Easy to install: The kit includes 2 CO2 check valves, which are easy to install.

They offer an easy solution for controlling the air supply to your aquarium without having to worry about unwanted backflow. Versatile use: This check valve kit is perfect for a variety of aquariums, from freshwater to saltwater. It's an essential accessory for aquarists who want precise control of the air supply in their aquarium.