Prevent the drain pipe from being clogged, keep the drain running smoothly, and also help keep the washing machine clean and hygienic. A deodorization device or deodorization core can effectively prevent the backflow of unpleasant odors from the sewer. Some drainage channels also adopt an inclined design, utilizing the principle of to complete drainage and prevent water accumulation. With an anti-overflow function, when the washing machine drains too much, the excess water be automatically diverted to the designated location It has good durability and anti-aging, and is sturdy and .