I have a 3 year old Amana side by side fridge. The 800 dollar special from Lowes. This is a Whirlpool clone and uses the PUR filters that you describe.
I bought some off brand filters, twice they spit out black muck out of my water spout (carbon).
The third one leaked.
After that I stick with the OEM filters. I buy them on amazon. $35 each for 6 months.
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quote=blupupher]So like many I am sure I have a refrigerator with a built in water dispenser and/or ice maker that require a built in filter.
My refrigerator (Whirlpool 2555A) uses part # 4396710 (now appears to be a new model # EDR3RXD1).
About 3 years ago, I bought two 2-packs (4 filters) of Whirlpool 4396710 filters for $96, so about $24 each. I thought it was costly then, but I am now finding the same deal on Amazon is $138 for just 2 filters!
After a lot of searching around, cheapest I can find for an actual Whirlpool or Pur brand EDR3RXD1 filter (not a compatible brand, I have never had good experience with them) is $30 on e-bay (which I ordered and hope to get an actual name brand and not a knockoff). Nothing on Amazon is near this price, most are around $40 each for the name brand.
Why have these things gotten so expensive? Is it all the knockoffs out there? I can understand the older part # being more since it has been replaced with a new part number, but still, seems to cost a lot for what it is.
I used to have a behind the frige filter, and it was like $10-15 and lasted longer since it was a bigger filter. While a pain in the rear to change, it is cheaper and lasted longer. [/quote]