14mm 18mm Male Female Glass Bong Adapters Adapter Converter for Thick Pyrex Forsted Glass Drop Down Water Smoking Pipes

glass adapter for oil rigs glass bong and quartz banger glass bowl , grinder mouthe make Air tightness ,thick pyrex glass high quality,10 styles 3.can use for quartz glass so many products , have clear Three-layer filtration style 2 options 4.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.syi