10 Pcs Aquarium Air Pump Check Valve, One Way Check Valve For Aquarium Air Pump Aquarium Air Pump Accessories For 3/4"" Airplane Hose

Standard Size This aquarium check valve has an overall size of 5 x 1.5 cm, and a port size of 4 mm (± 0.4 mm). It is suitable for standard 3/16 inch air hoses and all common aquarium air pumps. Please check your hose size before purchasing. Note that it is not suitable for systems Protect your equipment: contains 10 pieces of check valves for Saquarium air pump, enough for you to replace them for a long time. This small device can protect your air pump and other equipment. When the power supply is suddenly turned off or the pump is suspended, the backflow of water may damage the machine. This check valve can only allow water to circulate in one direction, preventing the backflow of water, and thus extending the life of the air pump. It is very suitable for aquariums and aquariums. EASY TO USE This one-way check valve is very easy to use. Simply cut the pipe or prepare two pipes, connect them at both ends and tighten them. Please make sure to connect them in the right direction. If the aquarium valve outlet is blocked, use a sharp object to push from the inlet side to the outlet side to open and clean. When you want to remove it, just unscrew it. It is reusable and convenient for your cleaning work Safe and Durable These aquarium accessories are made of strong and durable PC plastic, which is strong, safe, stable, wear-resistant and can withstand some impacts. They are not easy to break or damage and can be reused to ensure the safety of your equipment and a long-term use experience. Silent accessories: this aquarium check valve can be tightly connected to the pipe, and will not generate bubbles due to leaks, causing noise or splashing water, which will not scare your fish, shrimp and other aquatic creatures, will not affect your rest, giving you the best agricultural and visual experience ...