Bubble head, the fitting is used to make automatic blowing bubbles device of materials science and technology, inner hole is 2 mm, flat with a hole, can use 2 mm shaft connection, also can use TT motor to connect directly.
Usage: install the foam head on the motor, dip it into the small tank with bubble liquid, and start rotating. Equipped with a small air – leaf blower, OK bubble machine appeared.
[single bubble coil diameter] : about 20mm
[shipping list] : 1pcs bubble head