DIY Glass Bong Downstem Insert Pipe with 14mm 18mm Male to 10mm 14mm Female 2 to 6 Inch Diffuser Down Stem Smoking Water Pipes

1.18 different sizes for choose .18M TO 14F and 14M TO 10F 2-6 inches , easy to use, high quality smoking set in hookahs, 18 styles can fit most bongs , different size will let u have good experience when u use it 2,We are an professional supplier on DHgate.At the same time we are also a very powerful manufacturer in China. Maybe we are not the biggest company,but the quality of our products and the price absolutely make you satisfied.Every item you bought from our company has been tested strictly before 3.will have strong box for packages so that u can get it safely.syi