This is ash catcher from Zob Glass is the perfect attachment for your water pipe. It's approx. 5 inches tall. This ash catcher features a flat disc percolator. This adds an extra level of cooling water and percolation. Adding an ash catcher to your tube is a great way to keep ash and debris out of your pipe. It's made from 5mm. thick, American made glass. This ash catcher's joint is at a 45-degree angle. It fits an 18mm. glass joint and takes an 18mm. ground glass slide. Zob goes to great lengths to make sure each piece is one of a kind, so the label you get will most likely be different than the one pictured. We have a limited amount of ash catchers available, so if you're looking for a specific label call or email before ordering to see what labels we have in stock. - Perc: Flat Disc Percolator - Height: 5.00 inches - Base Width: 2.25 inches - Glass Thickness: 5.00mm. - Slide: 18.00mm. Ground Glass Slide - Fits an 18.00mm. Glass Joint