Any monitor 4 owners out there ?

20hz

I am building up a pair of monitor 4's but I dont have the ports length and diameter , can you measure it and get back to me ??
thanks

Nightfall

Length - 3" This is taking the cabinet thickness into account - from the front of the cabinet to the end of the port inside is 3"
Diameter - 1"

Original Monitor 4's

20hz

thanks nightfall I knew I could relie on the polk website again