This is a tall chamber hammer bubbler made by grav labs. It has 2 glass knobs on the bottom to better stabilize the bubbler and it also comes in several different color ways.
I am happy with my pipe screens order.the product I received did not look like what was in the picture that I ordered from,there were only 2 styles/colors in what I received instead of the variety pictured,but they work well.
Very happy with my purchase. I am new to dabs and such. I love this little rig!! As described and very carefully pkg'd and it arrived quickly. I highly recommend this seller.
