The Aqua Top has a glass chamber and 510 thread fitting. Use the Aqua Top with our 3 In One vaporizer. The Aqua Top had dome perc which adds water filtration and roll proof feet. All sales are final, not covered under warranty from Randy’s SNT, and the quality is not guaranteed to be perfect. This is why these products are being sold under the sale category. This product only comes with the glass, not the battery.