
Насоси бидуни шишаи ҳаво як системаи паҳнкунандаи вакуумӣ мебошад, ки насоси механикиро дар дохили шиша ҷойгир мекунад.. When you press down on the pump, the disc in the bottle rises, allowing the product to exit the pump. The material stored inside the bottle is preserved and maintained its integrity until it is used up. The use of airless packaging will help to extend the shelf life of the final product.