A knock tube is simply a container designed with a bar/tube across the top, and its main purpose is to enable for the easy disposal of the used coffee grounds. The tube is usually covered with a rubber shock absorber that helps to cushion the impact and thus greatly reduce the chances of splitting the tube. Note that you have to hit the Portafilter hard against it to make sure that the waste coffee grounds have been disposed of for the next brewing.
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Thumpa Replacement Rubber
To see the replacement rod and cover being replaced, have a look at our 26 second demo...
Thumpa Rod & Rubber Set
Replacement Rod & Rubber set suits Thumpa cafe knock tube
Thumpa Knocktube Base
Replacement base for Thumpa waste tubes. Fits PVC pipe that measures 14.5cm internal diameter and 15.5cm external diameter.
Thumpa Knocktube Top
Top replacement piece for the Thumpa 300 or Thumpa 860. Can also be used as a replacement on most existing commercial tubes.
Thumpa Replacement Rod
Replacement rod for Thumpa cafe knockout tube. To see the replacement rod and cover being replaced, have a look at our 26 second demo...
Deluxe SS knock tube
This stylish stainless steel coffee waste bin is partnered with hard wearing commercial rubber components to make the perfect companion for any home or small commercial machine. The deluxe knock bin has a generous capacity, a thick rubber base providing great stability and grip, as well as a hard wearing rubber bar that can take a beating. Dimensions - Height: 166 mm (to highest point) Diameter: 154 mm (excluding bar section)
Coffee Knockout Bin, Pro Home Replacement Rubber
Clean Machine Tube Replacement Rubber
Please note: this item is the replacement rubber only and does not include the bar.
Rattleware Replacement Rubber
Designed to fit Square and Long knock boxes with welded bar.This bar cover has a slit down the middle and slides over the bar ofyour knock box.
Replacement top, bottom, rubber cover and rod for Rhino Coffee Gear Thumpa waste tubes. If you want to save on shipping costs, the Thumpa set works out as a great solution as it ships in a very low weight and compact package to anywhere on the globe. All you need is a 150mm diameter pipe to fit into the top and bottom to complete the tube. Typically, a few dabs of plumbers glue will help secure the base.
Stainless steel construction Replaceable timber knock bar Coffee waste draw
Dreamfarm Grindenstein Tube
The Grindenstein is built for shock absorption with a solid steel core, making it truly impossible to break. The extra durable rubber sleeve absorbs shock, thereby protecting your group handle and making it quiet to use. It's designed to be stored on the espresso machine's drip tray (under the group head). Perfect for reducing clutter in the kitchen. Easily fits most dishwasher top racks as well.
Concept-Art Coffee Knockout Bin, Stainless Steel
For the fast and easy disposal of coffee grounds, the Knockbox is an useful and practical accessory for the barista. In order to allow for an easy handling and cleaning, we use a plastic insert cartridge made of PVC material. The insert cartridge is heat-resistant, can also be cleaned in a dishwasher, and is very easy to dismantle.
Rhino Square Knock Chute
The Rhino Coffee Gear commercial knock chute is neat and stylish & perfect for cafes, restaurants and office applications. Made from heavy duty 304 stainless steel this knock chute has a small foot print, making it an easy fit into just about any position in a bench. Using an in-bench chute takes up less bench space (and keeps the floor clear). The chute design also allows for under counter grounds disposal into a wide variety of multipurpose bins.