I have seen most of the positive reviews, But has anyone tried titanium tubes?
https://www.trustpilot.com/review/kmwhisper.com

Weird typo on the front page.

Any updates on this?

Rebranded  Chinesium that you can (try at least) to get from Aliexpress for less

$76.00 from KM
https://kmwhisper.com/collections/solvent-trap-drilling-jig/products/k-cups-solvent-trap-drilling-jig

Vs $38.00
https://www.aliexpress.us/item/3256803854494656.html?spm=a2g0o.detail.0.0.3da325d8xBzLdN&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.291025.0&scm_id=1007.13339.291025.0&scm-url=1007.13339.291025.0&pvid=f4f1cca2-b867-4f7b-8e18-4df6e591de25&_t=gps-id%3ApcDetailBottomMoreThisSeller%2Cscm-url%3A1007.13339.291025.0%2Cpvid%3Af4f1cca2-b867-4f7b-8e18-4df6e591de25%2Ctpp_buckets%3A668%232846%238114%231999&isseo=y&pdp_ext_f=%7B%22sku_id%22%3A%2212000027827691896%22%2C%22sceneId%22%3A%223339%22%7D&pdp_npi=2%40dis%21USD%2156.24%2138.81%21%21%21%21%21%402101d1b416688706131436586e8b62%2112000027827691896%21rec&gatewayAdapt=glo2usa&_randl_shipto=US


Compare the photos for this $599 option
https://kmwhisper.com/collections/solvent-traps/products/titanium-solvent-trap

With this one that if IIRC was less than $200.00
https://www.aliexpress.us/item/3256803666394558.html?gatewayAdapt=glo2usa4itemAdapt&_randl_shipto=US


In short, although the designs may be functional and in some case even work very well the only advantage of buying from them would be not ordering directly from the Chinese, but in the end that is what you are buying