RooR Tech 7.5″ Chamber Bubbler – Ten-Arm Tree Perc – 18.8 mmLooking for smooth, compact filtration? This RooR Tech chamber bubbler keeps sessions cool and flavorful with a precision ten arm tree perc inside a travel friendly 7. 5 frame. Key Features & Specs Approx. height: 7. 5; weight: ~645 g Stemless design with internal ten arm tree percolator for high surface area diffusion 18. 8 mm female connection (compatible with most 18. 8 mm bowls and accessories) Sturdy chamber with wide, stable foot Tube & decal