Hi Carl,

Have a look at eBay, the pond air pumps by Hailea pumping 140 litres per min at low pressure for about £50. I use an 80 litre one on my small machine and it is OK. I also have the Lidl airbrush compressor with a blow nozzle. That can clear build ups, but hasn't got that much oomph. You could also use the airbrush from the kit to blow a spray on the work.

It is a quieter solution than a 2hp compressor, but a little on the gentle side, rather than industrial.

I have a small A4 gantry machine and a cheapskate attitude - but the pond pump works for me !

Cheers

Rob