GE RPWFE Refrigerator Water Filter for $40.49 + (tax – if applicable) + FS – This is Not RPWF

Amazon has GE RPWFE Refrigerator Water Filter for $40.49 + (tax – if applicable) + FS . This s not RPWF – (cheaper version). This was $46 3-4 days back. I had it in cart but did not order. Yesterday it was out of stock and today it was back @ $40.49.
https://www.amazon.com/gp/product…UTF8&psc=1