Can I place outdoor screen over air vents on top of my amplifier vs. dust/hair entering?

Just wondering whether I can place outdoor screen material over amplifier air vents on top of my gear to prevent dust/hair from entering. Thank you!
I would give it a try, but get a feel for the operating temp before the screen and after to see what the actual difference would be. Enjoy the music
Bad idea it should be as it comes from the co.

Lots of models, these little fans are great!,
when I play for extended periods, these lil babies keep everything nice and cool.
Thanks! I don’t believe the screen has increased the operating temperature of my Gamut D200i.
Just thought it might help as we do get a good amount of dust, etc circulating here in FL, despite religious AC filter changes every 2 months. I realize some dust gets through but some circulating hairs etc do not. I like the fan idea as well.  
Everything I have stays covered with off white silk tablecloths. I live on the delta, between three types of soil. Adobe, sand, and pete. A lot of farming and the santa anna winds. I uncover the valve amps and dust them off most mornings, fire them up and leave everything else covered, except the front of the Preamps. 6-7 years now.

I remove the tops and clean them once a year, They stay very clean NOW. They haven’t even got close to hot, warm if I really push them in the cooler months. HOT summer months the same thing I just do an amp swap. I use class Ds. I swap out at Christmas.. LOL the silk is a beautiful crimson during the seasons..The silk is a natural shed for hair and dust.. plastic all that stuff screens it will collect hair and dust eventually.. Smooth polished surfaces (silk) don’t hold dust or static discharge either.. A toss in the dryer for 1-2 min.. A wash every 3 months in a 5 gallon bucket with woolite, and a 3 bucket rince..20 year per cloth. 40-50.00 per cloth.

Dogs, Bunnies, Wife, kids, goats, chickens..

If we concert, I vacuum up the house real good, have a few people over and uncover my gear.. I keep everything covered now..
To hard to clean, NOW.. LOL