Reddit reviews Hoya 67mm Pro1 Digital DMC Circular Polarizer Filter

I've used Hoya filters for over a decade and they've always been great. I specifically have Hoya Pro 1 Digital. You could buy one for each lens, 58mm for the 18-55 and 43mm for the 23/2. Alternatively you could buy one at the largest diameter of the lenses you currently have or plan to have, and buy a step-up ring set to convert it to the diameter of the rest of your lenses.

Hoya and B+W are two brands I trust. I believe you need a 67mm filter for that lens? Check on it, it should say somewhere.

You can get cheaper ones for around $20, but here's one for about $41.