14/14 Downstem with Horizontal SlitsNote: The length refers to the tube only (joint length not included).• Borosilicate glass • 6 Horizontal slits • Bong joint: 14mm • Slide joint: 14mm female • Available stem length: 3 inch | 3.5 inch | 4 inch | 4.5 inch | 5 inchSTEM LENGTH measures from the beginning of the tube to the tip, excluding the joint section.This diffuser downstem has 6 horizontal slits with 14/14 fitting that is fully compatible with bongs, beakers, bubbler or straight tubes featuring 14mm joints. Various downstem lengths available.