The higher resistances (0.8 ohm up to 1.2) give the classic tight MTL draw with 50/50 and salt liquids; the sub-ohm options loosen the draw and want thicker juice. Zenith-family coils are famously forgiving either way, which is why stop-smoking services lean on them.
Among the longest in vaping: two to three weeks is routine on Z and Prism coils with sensible liquids. Prime with a few drops and a five-minute soak, start at low wattage, and the famous Innokin reliability does the rest.
The Prism T18E and T22 pack here covers the current Endura pens including the T18X; the family kept coil compatibility as it evolved, which is very Innokin. Check your pen’s model name against the listing and you will not go wrong.