i would like to create air pressure that is such that dust will not settle so easily.As it is dust is settling a lot.I have filters on all intakes.I have 2 12cm intakes on the side 1 20cm fan as front intake [this is at the bottom of the front]. 1outake at the top 20cm and another 12cm outake on the back at the top.If anyone knows the haf 922 i have that with standard fans but the 2 intakes on the side as i say.