Berkey PF-4 Fluoride / Arsenic Filter (Set of 4) Save 30% Off

• *** IMPORTANT *** The PF-4 is for use with Berkey Ceramic Filters - If you use Black Berkey Purifiers, you will need the PF-2
• Primarily Filters Fluoride and Arsenic
• Attaches to the bottom of a Berkey Ceramic Filter - Used as a Post-Filter
• For use with Big Berkey, Travel Berkey, Berkey Light, Royal Berkey, Imperial Berkey, Crown Berkey
• *** NOT FOR USE WITH BLACK BERKEY PURIFIERS ***

PF-2''s are useless PVC placebos so PF-4 probably perform the same?

I wanted these fluoride filters to work, I really did.

After running 15 gallons run through 2 x Berkey black filters and 2 x PF-"2" (not 4) fluoride filters I sent a sample of this "filtered" water to 3M for a fluoride concentration test. The results confirmed that these so-called "fluoride filters" DON''T actually filter out fluoride.

3M Lab Result: 0.36 ppm of FLUORIDE.

Municipal supply averages 0.30 0.60ppm FLUORIDE.

"The fluoride concentration result for the sample you submitted is listed above. This result was obtained using state-of-the-art equipment for accuracy. The method of testing is the fluoride ion selective electrode." (3M)

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With all the garbage in our drinking water I can''t imagine anyone not using these. Work as described and my water is that much tastier. I have one less thing to worry about. Also, If the water system ever goes down, I know my family will have safe drinking water. If you don''t have a Berkey, you need to get one. I can''t stand the awful taste of water directly from the tap since I bought my Big Berkey. If you consider the cost of buying bottled water(filtered for chlorine taste only) and drinking from a chemical leacing plastic bottle, you''d pay for your Berkey in a year and not have to contend with PCB worries.

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I use these filters because of fluorinated tap water. I have no capability for testing (working on that). However, I have been using this system since last August. It''s March and this will be the second set. I try to make this water the only water I drink. I can sense what happens when a person drinks fluorinated public water. It shuts off the thyroid. Thirst, discomfort, nausea... it makes me want to come home and drink a bunch of water from the Berkey. Seriously.

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I''ve been using Berkey filters a couple of years now and finally switched to the white ceramic filters with the flouride/arsenic filters. They do work great, but are a little slower than the black filter (with fluoride/arsenic filters) and also I had to prime them three full times before they would work properly.

Overall, I like these and they work well.

For those of you trying to decide on white vs. black with fluoride filters, I think either would be ok, but here are the pros and cons of both:

Black:

+ (supposedly) a better filter when it comes to filtration

+ 2 of these seem to filter faster than 4 of the white

sometimes can come apart at base

more expensive

White:

+ lasts longer

+ can be washed more

+ cheaper

slower filtration of water

(supposedly) inferior to the black filters

The add-on fluoride/arsenic filters for each, though different) seem to function about the same. No noticeable difference.

Great buy either way. I will probably alternate between them.

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this products works as intended, however it starts to get a bit expensive as you need to replace it every 4-6months.

which gives you a cost of under 200usd per year. Got my last set after which I''m gonna invest in an reverse osmosis device for under sink, and keep the big berkey for camping etc