Dry compartment
Acrylic tube
Exact model: 300x90x3mm (Length: 30CM (11.81ft), Outer diameter: 90mm, Thickness: 3mm)
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High Quality Transparent Acrylic Tube. Tracked, affiliate link.
Sealing O-ring
Exact model: OD90xCS2, 60-70 ShA (ShA no less, no more)
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Nitrile Rubber Black NBR O-ring CS 2mm. Tracked, affiliate link.