Been using the Culligan CP5-BBS it claims 5 microns for 10k gallons this says 25 micron 5000 gallons has anyone used both? Is this worth double the $?

I have been using these for well over a year now. They are carbon filters. I'm inclined to say, hey carbon is carbon. Speaking as an Engineer: You can drive yourself nuts with specs. They are very similar to the GE carbon which costs much more $$. On the flip side....I use this as a whole house filter and my drinking water runs through a Reverse Osmosis system. This whole house filter radically extends the filter life of the RO system's filters. Would I drink the water from the output of a single CP5BBS ? No. Should you ? Probably not. That doesn't make it bad. It's merely a major "stage 1" filter. You really should be using a second system for drinking water. That's my 2 cents.

Is this the same as GE's FXHTC filter?

It is the same. Well, the Culligan has a Cartridge Life of 6 months, depending upon usage and water conditions. I purchase all from Amazon. Price is best I can find. I use only the Culligan filters in my Whole House Culligan system now. Never again will I use GE (Whirlpool) filters. I installed one in 2008. It apparently had a problem because my house lines became plugged with carbon sediment. What a disaster. Spent a long while flushing the system, cleaning faucet filters, etc. Never have I experienced a problem with Culligan filter RFC-BBSa. Outstanding. Used it for years.

How do you know its a RFC-BBSA if its out of the package? That model is supposed to be good for 10,000 gallons.

Good question. But, why would it be out of the package, unless opened by mistake? I record changing my filter on computer calendar. I would simply shorten the time (to 3 months maximum) if the filter is out of the package. 8/4/2014 I'm editing this. RFC-BBSa is 25 microns, good for 10,000 gallons, 6 months.

Material	Plastic
Product Dimensions	4.5"D x 4.5"W x 9.5"H
Item Weight	1.9 Pounds
External Testing Certification	ANSI, NSF, WQA
Product Benefits	Removes Impurities
Brand	Culligan
Set Name	10" x 4.5"
UPC	885691276749 783324973648 783961085018 885463125763 735090867393 887661456984 885451723896 033663005099 885677948554
Global Trade Identification Number	00033663005099, 00885691276749
Unit Count	1.0 Count
Number of Items	1
Manufacturer	Culligan
Part Number	01020705
Item Weight	1.9 pounds
Item model number	RFC-BBS-A
Is Discontinued By Manufacturer	No
Size	10" x 4.5" (Pack of 1)
Color	White
Style	Replacement Filters
Pattern	Filter
Item Package Quantity	1
Number Of Pieces	1
Flow Rate	3 Gallons Per Minute
Water Consumption	10000 Gallons
Cutting Diameter	4.5 Inches
Mounting Type	Plate Mount
Certification	Chlorine Reduction
Special Features	Chlorine Reduction
Included Components	1 Filter
Batteries Included?	No
Batteries Required?	No
Warranty Description	Warranty
Assembled Diameter	4.5 Inches

Culligan Whole House Water Filter for Sediment - 25 Micron RFC-BBSA 10”x4.5” Long Lasting Water Filter Replacement Compatible with FXHTC, W50PEHD, GXWH40L, GXWH35F, GNWH38S, WFHD13001, Pack of 1

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