1, replacement method of filter screen in Langridge cup: the cup mouth is facing down, and it will not come out after several knocks.
2. Longrich Life Energy Cup: The lid, body and bottom of the cup are made of food-grade stainless steel. The inner wall adopts nano-coating. Built-in double net: Surfing net has chlorine removal and weak alkaline function. The lower net has the function of small molecular water, zinc and negative potential. The upper cover is weakly magnetic.