Editorial Product Review:

Item Description:
Undersink Drinking Water Filter Replacement Cartridge, Filters Sediment, Bad Taste, Odor, Chlorine, Giardia, Crytosporidium & Asbestos, .5 Micron, Carbon Briquette, Filter Life 12 Months Or 1,000 Gallons, For Use With Model #US-550 True Value #529-274 Or Model #US-600 True Value #563-429.









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More related to this product:
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More related to this product:

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• Culligan D-40-D Level 4 Drinking Water Replacement Cartridge
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Customer Rating: - Restricted flow
Culligan Drinking Water Replacement Cartridge Carbon Block, 0.5 Micron, 1,000 Gallon Capacity #D-30

The D-30 cartridge severely restricts water flow and nowhere on the packaging does it indicate this. I had to return them to amazon for a refund. Am using the D-10's with no noticeable reduction in water flow/pressure. Suugest that Culligan come up with some indication of water flow for each of their water filters. If water flow is not an issue for you, then the D-30's are probably fine.

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Customer Rating: - Fast Water Flow; Great Taste
I've purchased the D40 filters in the past. They are good to reduce lead and other major contaminants in the water. However, the water flow is quite reduced due to the extra level of filtration. They only last for 4 months and the flow decreases as you use the D40.

In contrast, the D30 lasts 12 months, still has a great filtration profile, and the water flow is much faster and easier to cope with. In fact, I can hardly notice any difference between the hot water and the cold water now, compared with when I had the D40, and the cold water was annoyingly slow.

I recommend this filter over the more expensive D40 for everyday use, unless you have tested your water and found it to have lead. Then I'd use the D40 for health reasons, but not until then. There is no added benefit to the D40 in terms of water taste, or protection from microorganisms, compared with the D30.