While he cleans a lot of manual work and the PC well, however, the intake valve is at least in my bellows not close and the exhaust valve is not tight on the sides.
Actually it should be such that the air flows back to the bellows and is delivered to the front.
For me, much of the air blowing out but also backwards.
One can indeed help by rear pushes the intake valve in the bladder, but this is very tedious for large areas like a PC then, since the bellows thereby can not be pressed right, at least not in the long run and a PC is now time not blown clean in a minute.
Nevertheless, I speak from a buy recommendation for PC users, because if something needs to be quickly blown times, then the bellows also does this and is in the long run, of course, cost-effective, environmentally friendly and better for the PC and the electrical system.
Of course it is not the same as real compressed air from a compressor, but those are the compressed air spray cans also not necessarily.
Nevertheless, the advantage is to can that just only air is blown into the PC and at low dust sprays are possibly also gases while that may possibly damage the electrical system.
