40/410 foamer pump Amazon 6 - certified and is ideal for e-commerce. The foamer works perfectly with standard foamer bottles, without requiring any special bottle features such as ratchets or lock-keys. This makes it a versatile and economical choice for any seller looking for an efficient foaming solution. The foamer features a double seal system that adds an extra layer of protection against leaks during shipping. This feature is particularly useful when the nozzle is folded, as it prevents any accidental spills or leaks that could damage your product or packaging. Ensuring that your products arrive at their destination without any leaks or spills helps brands maintain a positive reputation and keep customers satisfied.