I think I'll be building a CF Freak XL for one of my pumps.
Tubing is here: https://a.co/d/206PhBw
I used some metric brass tubing for my upper tube on my PMI Pursuit build - it's 23mm OD, 21mm ID, which fits almost perfectly over the CF tube.
23mm tube is here: https://a.co/d/2t4MoeM
If I add a tip I'm going to use a piece of thinwall 3/4" OD brass tube I got from Online Metals last year - it mic'ed at .685 ID and my largest XL insert is .684 - and I'll slide some 21mm OD tubing over it to protect it a bit, probably spiral port it to keep everything quiet.
Tubing is here: https://a.co/d/206PhBw
I used some metric brass tubing for my upper tube on my PMI Pursuit build - it's 23mm OD, 21mm ID, which fits almost perfectly over the CF tube.
23mm tube is here: https://a.co/d/2t4MoeM
If I add a tip I'm going to use a piece of thinwall 3/4" OD brass tube I got from Online Metals last year - it mic'ed at .685 ID and my largest XL insert is .684 - and I'll slide some 21mm OD tubing over it to protect it a bit, probably spiral port it to keep everything quiet.
I didn't want to mess around that - CF dust is sorta bad for you - so I used the brass bits for that part. The CF tube is two separate pieces joined together by the brass section. Assembly is much easier that way as well.
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