I have a Frigidaire refrigerator with the "Pure Source 2" water filter. With just two users, it seems to plug up about every 1-2 months. Is there a bypass available that I can use to replace the filter? The changout is easy, but at over $30 each, I'm getting expensive water.

You should be able to leave the cartridge out and install a standard water filter kit behind the frig. Home Depot for about $30.