Plug mouth and toilet port or pipe mouth should be tightly sealed, otherwise, the air leakage affects the effect. Can add a little more water, let the plug immersed in the water, to prevent air leakage. The anti-shallow water film is to prevent the instant strong pressure to cause the water to splatter out.
1. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color showed in the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.