$80 USD.
Aquatica 18458 Port Extension Ring. https://www.backscatter.com/Discontinued-USE-AQ-48458-Aquatica-Extension-Rin
Price includes shipping from Singapore to continental US (or similar). This will take 8-10 business days. Quicker shipping available, but won't be worth the cost - but if buyer bears the cost I can do it. Paypal net to me (buyer covers fees if any). I do have a decent amount of all-100% star feedback on ebay, fredmiranda, and carousell and can provide links/usernames.
