This tube has a hand made 29mm female for a massive flow when clearing the tube. It’s like a steamroller! The slide that comes with it is a 4hole hook slide with a 29mm joint. Standard hole sizes on the slide. 120hole dual perc and about 18” tall. Tube is 50mm, female is made on 32 and 38mm tubing. Comes with free 29-18mm low profile adapter aka bushing.