4mm Airline One Way Air Regulator Valve Splitter Aquarium Fish Water Tank Pump
4mm Airline One Way Air Regulator Valve Splitter Aquarium Fish Water Tank Pump
Name: 4mm check valve
Purpose: Stop flow, stop water, prevent water backflow, also known as one-way valve, intake in one direction, reverse stop flow
Adaptability: Suitable for use with hoses with an inner diameter of 3-4 mm.
Color classification: inner red, inner white, inner black
Note: The check valve has a certain resistance, which will slightly reduce the air volume
Professional grade non-return valve - Ideal for marine, automotive, caravans/RV, and agriculture Arrow marked on valve, showing the fluid flow direction, Prevents fuel from returning back to the tank and keeps it in the line. Easy to install, no assembly required.
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You can find more products in different material, type, color , sizes and shapes in our shop! If you have special needs, please contact us, we can customize according to your needs!
♥ Hengkun Electronics Co., Ltd Founded In Now 2013. Goobetter is a fastener brand under the company's umbrella, who believes in providing top quality customer service and value for money. Our company's main products include fasteners with complete specifications, manual/electric tools, electronic products, transmission components, home hardware, various DIY products, etc.
♥ A high percentage of our business is from repeat business and from recommendation by our existing customers. We are making every effort to provide our customers with the best service and products, and the company promises that once our services start, we will always be responsible until the end.
♥ Good Good Good quality. Buy with confidence! ♥ We maintain high standards of excellence and strive for customer satisfaction! ♥ You can find more products in different material, type, color , sizes and shapes in our shop! If you have special needs, please contact us, we can customize according to your needs!
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♥ We offer a 100% guarantee if you are not happy with your purchase!
♥ We sell high-quality products we hope you'll enjoy using, but we also know that, for one reason or another, there may be a time when you need to return something you've purchased. If you are not 100% happy with the quality or any other aspect of the goods we have supplied then please return them and we will be only too happy to refund as long as goods are in original condition.
♥ We care about our valued buyers. If you have any questions our customer service representatives will be very happy to help you. We try our best to answer your emails as soon as possible. However, due to the high number of emails we receive every day and the time zone difference, we may not be able to reply to your emails immediately. Please allow 24 business hours for us to respond.
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Anything else you need? - add more items to the shopping basket to qualify for combined flat rate postage. 
You can find more products in different material, type, color , sizes and shapes in our shop! If you have special needs, please contact us, we can customize according to your needs! 