These are pretty tempting at Link$5 on Amazon. I see an orange anti-drain back valve which is good and the media appears to be metal endcaps but I can't find info other than it's a semi-synthetic media. No spring either it's a sheet metal bypass.
Thoughts on these? My rule of thumb for filters is that it has metal endcaps, silicone anti-drain back, and it's 99% removal.
Thoughts on these? My rule of thumb for filters is that it has metal endcaps, silicone anti-drain back, and it's 99% removal.