Lube it lite every time you play. All it takes is one day of running it dry to ruin your orings. It takes literally two minutes to do. I usually did mine the night before, or the minute I got to the field.
Etek 3LT grey/black f/s
Valken Proton greyish/black f/s
68 4500 PE stubby, LP output f/s
68 4500 AIR tank(no reg) f/s
Creed Battery, eyes and noid f/s