cooltube problem..help

loolagigi

Well-Known Member
i got my bake a round in the mail today. the od is 3 and 5/8ths. i am using a 3x4 pvc reducer shown in a thread in diy cooltube. there is a pretty big gap between the bake a round and the pvc. i dont get it. in the picture it shows the 4" end attached to the glass not the 3. what gives? is there a better method of installing i am missing?
 
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