Quartz

The XXL Straight Style Banger by Campfire Quartz features 2.5mm-thick walls, a frosted joint with laser-engraved logo, a beveled top, and a fully-blown-out seal.   20mm Diameter Top (Fits 20mm+ Marbles and Mini Slurper Sets)

The Diamond Knot Power Gear 18mm is a quartz insert designed to maximize flavor and heat retention. Insert the power gear into your bucket to increase your heated surface area. Your dab will vaporize at a low temperature to give you a nice long, smooth, flavorful dab experience.

The Temple Quartz Terp Slurper comes in various sizes to fit into your piece.  Joint Sizes - 10mm, 14mm Joint Angles - 90˚, 45˚