The itme DIY with Acrylics have two diameter ，can connect 12/16 mm or 16/22 mm pipe hose

connect 12/16 mm hose(inner diameter:12mm，outer diameter:16 mm)

connect 16/22 mm hose(inner diameter:16mm，outer diameter:22 mm)

(because the pipe make it myself ，so will have little tolerance of the length，hope can understand)

If you need customize lenght ， ask me freely with message

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Shipping Note:

(1) Goods are usually sent within 2 days(without rest on weekend/holidays).

(2) sent by  AIRMAIL. usually (Europe:arrive about  15-25 working days ; USA:10-20 days;Other :1-2 months)

sent by ePacket. (arrive in 5-15 days)

 Please be sure to choose the correct shipping method  when you place order.

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*We will offer replacement， reshipment， or refunds to make sure you are 100% happy if you have received a defective or wrong item .

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*We are not responsible for any custom duty or import tax

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