Diicooler provides slightly better cooling, but blocks visibility to the nozzle. Either is a vast improvement from stock.
NOTE: Some of the newer PLA composite filaments (commonly called PLA+) have similar heat tolerance compared to PETG or ABS without the extra hassle. PLA typically prints at 180C but PLA+ prints at 210C or higher. Maker Geek's Raptor PLA prints at 245C which is hotter than ABS or PETG. I don't have any true PLA anymore. I use almost exclusively PLA, but it is the new PLA blends.