Suction toothbrush EM34-101

1. High-strength polyurethane sponge ensures that it does not fall off on the premise of ensuring water absorption. 2. The high-toughness suction tube ensures that it does not break on the premise of ensuring the insertion force. 1. The appearance is neat, the color is uniform, and there is no phenomenon such as sponge falling off or chipping. 2. At a distance of 10mm from the negative pressure source port, the outside diameter of the conical connector is 7.5mm+10%; the total length (vertical distance) of the suction toothbrush is 22cm±10%; the toothbrush absorbs more than 2.5 ml of water. 3. When connecting to a negative pressure source, block the eyes near the toothbrush, and apply a negative pressure of 40kPa for 15s at 23°C±2°C, the tube should not collapse. 4. Under the pressure of -20kPa, the flow rate of the suction toothbrush should be greater than 500 ml/min.