Barista Progear Commercial Knock Tube Replacement Rubber Sleeve The Barista Progear Knock Tube Replacement Sleeve is a high-quality replacement part designed to extend the lifespan of your coffee knock tube. Made from durable rubber, this replacement sleeve ensures a tight and secure fit, allowing for easy removal and cleaning.This replacement sleeve is compatible with the Barista Progear Small, Medium & Large Commercial Knock Tubes and is designed to be a quick and easy fix for any wear and tear on the original sleeve. Its simple installation process ensures that you can get back to making great coffee in no time.With its robust construction and high-quality materials, the Barista Progear Knock Tube Replacement Sleeve is built to last. Knock Sleeve Features Easy to replace Durable Suit Commercial Knock Bins What's in the box 1 x Barista Progear Knock Tube Replacement Sleeve Specifications Material Rubber Dimensions 15cm L x 3.5cm Dia Products you may need Premium Black Microfiber Cloths Milk Jug Rinser