Goodsstore 10mm 14mm 18mm Oil Burner Pipe Male Female Clear Thick Glass Water Pipes for Oil Glass Smoking Bongs

1.30mm big ball with normal hole will have good space when u use it 2. about 90 degree will hold the oil and have good test with the degree 3.14mm 18mm male female can use for most oil burner bongs 4. forsted will have Good air tightness 5.products will Protected by bubble paper 6.will have strong box for packages so that u can get it safely 7.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..syi