Changed filters pressure has dropped

[M DUNCAN]

Hi I have recently changed the filters on my RO and the pressure has dropped right down was just wondering if anyone had any ideas as to why this might have happened 

 

[doug atkinson]

Wrong micron size will cause this

 

[M DUNCAN]

Wrong micron size will cause this

What micro size should you use?

 

[doug atkinson]

What micro size should you use?

5 micron in the normal rating.