dust filter

I have an Chillblast Fusion Sword 2 Gaming PC which I bought from new quite a few years ago (for reference http://pcproblems.co.uk/pt/products.php?q=Chillblast+Fusion+Sword+2+Gaming+PC+Intel+Core+i5+4430+8GB+RAM+1TB+HDD+DVDRW+AMD+R7+265+Windows+10+64bit) Live in a high humidity high dust...

Hey everyone, i have the titled case and for a little while now i've been meaning to put some dustfilters on the rear of the case. I just don't know which are the best and not sure if i can even find the one for the little part above the rear fan. I'm after a Dust Filter for the rear fan and...

TL;DR Putting space between intake fans and their dust filters seems to substantially improve airflow and combined with them being closer to components seems to improve temperatures too. My case is a Silverstone Primera 02 (SST-PM02B) which I love despite it receiving a largely negative review...