Fuel/water separator filter turning black

[Waterloo]

(09-07-2020 )Pd6cas2 Wrote:  

(09-05-2020 )Chamberpains Wrote:  What do these filter restriction gauges look like and where are they located? I kind of like the idea of having a quick check indicator on the fuel lines.

http://teltek.us/fuel-restriction/
I use these brand gauges , love there customer service and quality product!

What is all entailed in installing one of these gauges? I have an extra pod for the dash and a hole in the firewall at the intake side, what is the sensor setup like? I saw it runs off of the vacuum at the fuel filter? Sounds interesting...