Screen Extension "Thingie" for 1200 GSA

[Whyme]

Hi WD

What do you guys think about this type of screen extension, I want to get one for my GSA. But I need to know how effective it is, don't want something that will make lots of noise while offering very little benefits. Where can I get it done?

 

[Duke916]

 

[raffie]

 

[Chrisl]

 

[tonys]

 

[Whyme]

 

[Whyme]

 

[Whyme]

 

[Chrisl]

 

[tbk]

 

[ClimbingTurtle]

 

[GEE-SH]