The SLR™ System is a cutting-edge structural lantern ring system that is non-collapsible in service, unlike typical Teflon lantern rings. It’s patented design is up to 5X stronger than ordinary PTFE lantern rings and allows for improved flow and pressure equalization.
![](https://cdn.prod.website-files.com/59b955c55a0c4c000154035b/642de04f31148599bae2eee0_slr-2L3-black-PACKAGE-angled-no-gland-transparet.webp)
![Camparison of an ordinary PTFE lantern ring with the patented design of the SLR™](https://cdn.prod.website-files.com/59b955c55a0c4c000154035b/642485f35a8ffe8d91995378_SLR-vs-PTFE-LR-2023-web-graphic.webp)