Due to the UK being shut off from the European mainland because of the new Covid-19 mutation it is very likely your order will be delayed until further notice. There is nothing we can do about this at this point in time
Pressure sprayers are available in different versions. You can opt for a mobile pressure sprayer, but also for a model that you can wear on your back. The advantage of a backpack sprayer is that you can work very comfortably and therefore can work efficiently. Especially in the case of weed control a back spray works very pleasant since most sprayers have a large capacity so that you can take a lot of chemicals in one go.
Did you know that autumn is the best period for weed control? During this period the sap of the plant runs to the roots. Treatment is therefore much more effective and a nice additional advantage is that you now need less pesticide.