The easily exchangeable polyester exhaust air filter is the ideal accessory for the Kärcher AD 4 Premium ash and dry vacuum cleaner, as it ensures clean exhaust air. Two exhaust air filters are included in the scope of supply. We recommend replacing the exhaust air filter once a year to ensure optimum filtering at all times
Best foam gun by far , and easy to change the foam pad inside
Best foam bottle's by far
And easy to replace the foam pad inside
Just make sure get the correct nozzle to suit your machine flow rate
Great product cleans your alloys perfectly