Free Economy shipping on U.S. orders $50+International options are shown at checkout where available.Made to order by Zero Viz Diving.Clean up the fit of the upgraded Choptima pull dump with a simple slip-on retention ring.Designed specifically for compatibility with the Dive Rite Choptima rebreather, this flexible 3D-printed ring stretches over the pull dump and seats at the junction between the counterlung and pull dump. No glue, clips, or fasteners are required.I originally designed this part for my own Choptima after the upgraded pull dump did not seat as cleanly as I wanted. The result is a simple accessory that helps improve the fit and finished appearance while remaining easy to install and remove.Compatibility• Designed and test-fit on the Dive Rite Choptima• Intended for the upgraded pull-dump configuration shown in the product photos• Review the installed photos before ordering to confirm fitmentFeatures• Flexible, one-piece slip-on design• No glue, clips, or fasteners required• Helps improve pull-dump fit and appearance• Designed and test-fit on an actual Choptima• Printed individually and inspected before shippingInstallationStretch the ring over the pull dump and seat it at the counterlung/pull-dump junction as shown in the product photos.Minor custom adjustments may be available. Please reach out before ordering if you have fitment questions.Important NotesThis is an aftermarket accessory and is not manufactured, endorsed, sponsored, or affiliated with Dive Rite.This part is not a life-support component. The buyer is responsible for installation, inspection, and use.