IM 100 INT Sump Question

[JJCASV]

I have a IM 100 INT with a RFS 39 sump. I want to dose with the ports supplied but i think the ports are for 3/16 hard tubing and unless I'm wrong all the dosing tubing I've seen are 1/4 soft tubing, so my question is: is there is an adapter from 3/16 hard tubing to 1/4 soft tubing?

thanks in advance.

 

[anhdreamer]

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