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Katadyn TRK Drip Filter with Gravidyn Element

by Katadyn

39 customer reviews

| 12 answered questions

Price:	$294.95 & FREE Shipping.Details

Color: White

Size: One Size

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Katelyn drip gravity filters
Gravity feed filter
Genuine OEM Product
No pumping required
Water container with built-in ceramic filters
Practical filter for long-term use like camps and construction sites
For 1 to 6 persons

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Color: White | Size: One Size

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WARNING: California’s Proposition 65

Product description

The Katadyn TRK Drip Filter with Gravidyn Element will treat more water than any filter we know of (before cartridges need to be replaced). The Katadyn TRK Drip Filter with Gravidyn Element is a gravity fed filter which requires no pumping, hookup, or electricity. Fill the upper compartment with up to 2. 5 gallons of untreated water, and it literally drips through the 0. 2 micron ceramic filter elements into the bottom compartment. Simply set it on a counter in the corner and keep it filled. The Katadyn Drip water filter is the way to go for cabins, base camps, recreation sites, boats or RV's. The Katadyn TRK Drip filter comes with three Gravidyn filter elements (it uses all 3) which will treat up to an incredible 39,000 gallons of water. The Gravidyn elements have carbon inside them which eliminates odors and chemicals in water.

Product details

Color: White | Size: One Size

Product Dimensions: 9.8 x 9.8 x 17.7 inches ; 6.61 pounds
Shipping Weight: 8.3 pounds (View shipping rates and policies)
Domestic Shipping: Item can be shipped within U.S.
International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
ASIN: B0007U011G
California residents: Click here for Proposition 65 warning.
Item model number: 2110080
Average Customer Review: 39 customer reviews
Amazon Best Sellers Rank: #402,184 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
- #219 in Sports & Outdoors > Outdoor Recreation > Camping & Hiking > Hydration & Filtration > Water Filters

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WARNING:� This product can expose you to chemicals including TDI, which are known to the state of California to cause cancer and birth defects or other reproductive harm.�� For more information go to:� www.P65Warnings.ca.gov

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39 customer reviews

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The valve works fine, has a lock-open feature

July 7, 2015

Color: WhiteSize: One SizeVerified Purchase

I'm using this for regular chlorinated city water. I can no longer taste or smell the chlorine. The plastic on this is very rugged, yet flexible. I think you'd need a sledgehammer in order to break it. The plastic has no smells, not even when new. There's no recycling code on the plastic. The valve works fine, has a lock-open feature, and is drip free. I'd recommend upgrading it to...
http://www.amazon.com/Stainless-Works-Beverage-Dispenser-Replacement/dp/B00IX87W1Q/ref=sr_1_1?ie=UTF8&qid=1436306195&sr=8-1&keywords=stainless+works+stainless+steel+beverage+dispenser+replacement+spigot+polished+finish
The Stainless Works valve has a much higher flow rate for filling water bottles or pots for cooking and is also drip free. If you have time to let the water filter work longer, as in you don't need a bunch of water ASAP, you can restrict this down to one filter in use and keep the other two for the six-month change out cycle without buying a new set of three. Also, the filter will still function as the Ceradyn does after the six months is up, as long as the ceramic still has a sufficient diameter after however many cleaning cycles it went through. I thought I read a review somewhere where someone had mold growing in the upper reservoir. If the water you're putting in the top is anything other than clear and clean looking, I would prefilter it through a coffee filter or something. Also, if you place a silver coin in the top it will stop bacterial growth since silver is antibacterial. It also helps against SOME viruses. You may or may not want a silver coin in the bottom storage reservoir if it takes a long time to use up the water between cycles (a single person who isn't home much?) or for extra insurance. The pioneers who settled the West reportedly used silver coins in their water storage barrels to prevent bacterial growth and in their milk pails to keep the milk fresh longer.

10 people found this helpful11 people found this helpful

Bought for emergency use - now using it every day

January 24, 2012

Color: WhiteSize: One SizeVerified Purchase

Recently bought the Katadyn Gravidyn for my self-reliance/emergency kit, after we had a one-week "boil water advisory" following a hurricane. That experience just got me thinking that an extra layer of filtration would be a good idea, both for short-term and potential longer-term problems with the water supply.

I was on the fence between the Gravidyn and the Ceradyn. The Ceradyn uses ceramic-only filters, which as I understand it, are effective filtration against biological hazards (e.g. bacteria, water-borne diseases, etc.) but which do not filter out inorganic pollutants (e.g. pesticides). The Gravidyn filters contain ceramic elements as well, but they also contain charcoal, which filters (at least reduces, if not eliminates) pesticides etc. The "ceramic-only" Ceradyn filters last much longer (the charcoal in the Gravidyn filters is only good for 6 months, and the filter must be replaced after that) but in my case, I felt it was more important to get the maximum filtration possible, so I opted for the Gravidyn.

Good fact to know, however -- Katadyn confirmed to me that the Gravidyn filters are compatible with the Ceradyn base, and the Ceradyn filters are compatible with the Gravidyn base (I suspect the base unit is exactly the same, and the replaceable filter elements are the only thing that differs between the two models). So, if I ever decide that I want to go with the "ceramic-only" approach, I can simply purchase some Ceradyn filters and use those in my Gradidyn base (and, presumably, vice-versa). You'll find that the cost of the filter elements is the real expense for this product anyway.

As far as the Gravidyn unit itself goes, I am very happy with it so far (after a couple weeks of using it). When I first screwed the spout piece on, I had a slow, small drip-leak around the spout, where it connects to the base, so I unscrewed it, adjusted it slightly, and screwed it back on, a littler tighter than the first time. Since then, I haven't had any issues with any leaking or dripping.

The concept behind this filter is as simple as it gets -- pour water in the top part, and gravity will do the rest, as the water passes through the filer an into the lower part of the unit. A typical spout is the clean water outlet. I ran one 10-liter batch of water through the first time, and discarded that, per the instructions. After that, I have noticed that the filter started working a little quicker over time. It's pretty simple to keep this thing filled up, I have been filling it up (or half-filling it) at night before I go to bed, and by the morning we always have plenty of clean water to start the day.

We set ours up in the kitchen, and now use it for all of our drinking/cooking water. I'll probably always keep one extra set of filter elements on-hand (there are three).

I had been considering the Big Berkey filter system, and truth be told I do prefer the stainless-steel of the Berkey. However, I simply trust the Katadyn filters more, and since the plastic Katadyn unit is BPA-free, I'm not concerned about using plastic instead of stainless steel.

36 people found this helpful37 people found this helpful

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