Spring is inspired by leaf stems, simple and full of spring like vitality. Ingeniously applying lever principle, the floor drain cover is designed with pressing and popping function, which is convenient for users to take and clean. The edge fillet design on the cover and the base is extremely affinity, safe to use and can quickly guide the flow. The innovative and developed super flow floor drain core adopts a 90 ° wide opening design, and the flow rate can reach 700ml / s to realize rapid drainage.