You get a lot of filter for a little price. A high capacity leader among filters in our lineup. Perform proper maintenance and use a decent source water to get 500-1000 gallons of filtration. That's as little as 5 cents cost per gallon.

Sometimes the economical alternative to expensive imported Katadyn, MSR, and other brand name water filters can be found right in the heartland of the United States. An American company -Pristine, located in Colorado has introduced the Springroll Ceramic Filtration Gravity Powered Water Purification System. It comes wrapped up in its own source water bag.

Product Color Note: Blue is out of stock for 6 - 8 weeks. High Vis Yellow is available and ready to ship.

Simple in concept, yet quality construction and science backs this product up. Removes bacteria and cysts from water. Like any ceramic it will remove some but not all viruses - in suspect areas add purification drops or tabs like those sold in the sidebar.

It will arrive in a vacuum sealed shrink wrapped clear plastic bag. Store it for emergencies - it has indefinite shelf life - no expiration date. Or, open it up and start using it immediately.

Each Spring Roll consists of two ceramic and activated carbon filters with pre-filter socks. These are inside a sturdy, water-proof and food grade plastic bag with an outlet for filtered water. One needs only to fill the bag with unfiltered water, hang the bag in your basecamp and let gravity do the work, and out comes potable water. No tablets, no pumps, no assembly required. Camper and Backpackers delight !

Components are washable for increased longevity of your filter, replaceable, and the whole unit is lightweight and easy to transport. The Spring Roll is a perfect solution for many, many situations in which potable water is a concern. Properly cared for, with reasonably clear water, the springroll can provide hundreds of gallons of filtration before the ceramic filter needs replacement.

Instructions for Use:

1.Hang the Spring Roll using the threaded straps from a sturdy support structure, such as a tree branch or well-anchored hook.

2.Pour up to three gallons of unfiltered water into the opening at the top of the Spring Roll.

3.For first time use, flush the Spring Roll for five to ten minutes before drinking.

4.Clean and safe drinking water will be produced at a rate of up to ten gallons per hour once the filters are saturated and with consistent water pressure. Water will flow from nipple at bottom of bag via 7/16" (5/16" inside diameter) clear plastic food grade tubing. 2' are included in the package.

5.When not in use, make sure all components of the Spring Roll are cleaned and allowed to dry completely to prevent mold and other contaminants from shortening the life of your filter.

To Clean:

1.Unscrew outflow nozzle from the bottom exterior of the Spring Roll.
2.Gently remove filtering unit from the bag.
3.Remove the cylindrical plastic encasement from the dual filtering units.
4.Remove pre-filter socks and wash gently in soapy water. Rinse thoroughly.
5.Ceramic filter domes can be twisted off and rubbed clean with a lightly abrasive material such as fine sandpaper or a new abrasive dish sponge.
6.All plastic parts and the bag itself can be cleaned with a cloth and soapy water.
7.Rinse off, let dry thoroughly, and reassemble. Your Spring Roll will be better than new!

Compacted Dimensions: 11"Length x 3" Diameter when rolled up

Full Size: 14.5" Wide x 19" High x 3+" Deep

Dry Weight: 1 Lb, 10 ounces

Capacity : 3 gallons of water per fill - making this the ideal filter for a camp or backpack group. Hang one at basecamp and you can supply everyone. Kit contents: Two replaceable filters, two pre-filter socks, protective casing, hangable, roll-up bag, 30" vinyl tubing and cap, instruction sheet.

Washable pre-filter socks catch the largest particles and greatly extend the lives of the encased ceramic filters.

Features:

* The Outer Ceramic filters are made of ceramic diatomaceous earth (basically sea shells) , and designed prevent anything larger than 0.7 microns from penetrating the filter.

* The ceramic contains silver, which is a natural bactericide.

* Encased in the ceramic is high-grade Granular Activated Carbon. GAC has a vast pore structure that has enough surface area to absorb numerous organic and inorganic compounds and impurities from contaminated water. Activated Carbon is very effective in eliminating unpleasant tastes, odors and color

Questions and Answers:

1. I realize that it will depend upon the initial sediment in the water, but what do you estimate the average number of gallons filtered before the filter components need to be cleaned?

If the water being filtered is reasonably clear, but from a source such as a river or lake or otherwise unregulated source, I would recommend cleaning the components after about ten uses, and no more than thirty from any source. This would just prevent build-up of materials that would clog the filter or severely reduce flow rate. For the best performance, I recommend cleaning the filter or at least wiping it down and drying it between uses to prevent mold, bacterial growth and mineral build-up.

2. Can you estimate the total number of gallons that can pass through the ceramic filter before it has to be replaced as opposed to cleaned?

The ceramic filters can really last a long time, as the surface, which will catch the most sediment and pollutants can be completely renewed when it is lightly sanded or brushed. If proper care is taken with the filters, including occasional sanding, they can last through hundreds of gallons or more, making this a cheaper per gallon solution than competitors. It really depends on the quality of water, mineral contents, and maintenance. With proper maintenance, a filter can be used regularly for up to six months. When the flow is reduced to an unsatisfactory rate it will be time to replace the ceramic components.

3. Can you supply the flow rate for the filter? It would be helpful to know what the estimated maximum rate would be.

Flow rate increases with saturation of the filter, and atmospheric pressure, so the first hour will be the slowest. They flow faster in lower elevations. Testing revealed a flow rate of 1 gallon/hour in Colorado Springs, though near Dallas, Texas a rate of ten gallons per hour was observed.
When camping, it is ideal to hang a full Spring Roll in the evening, and by morning, there will be gallons of clean water waiting for you! They are not the fastest filters, but they are effortless and you get simplicity, quantity, portability and price!

4. What testing has been done ?

They have been tested for bacterial removal and have consistently removed four logs (99.99%) of environmental and laboratory bacterial samples. Bacteria such as Ecoli, and protozoa such as Cryptosporidium and Giardia are effectively removed. In an emergency or outdoors situation, microbiologicals are the most important contaminants to be prepared against. The products have been used for years in disaster situations and remote locations with no reports of illness from water that has been filtered by them.

5. With regard to the micron size limit for filtration, you state that it is 0.7 when the filter is new. At what point does this begin to diminish?

I am glad you asked about the initial pore size! A very appealing aspect of the ceramic technology that is employed - is that with use, the pore size is reduced, it actually filters BETTER! This is due to the fact that filtrates build up and block portions of the interior of the ceramic. They essentially line the walls of the pores, which are tiny and labyrinthine to begin with. So with use, only smaller and smaller particles will be able to penetrate the ceramic of the filter, making the water cleaner than when the filter was brand-new. Eventually, this is what leads to reduced flow rate, but again, sanding the surface of the ceramic prolongs the life of the filter dramatically

6. How do I get the most life out of my Springroll filter ?

Longevity is based on two things:
1.) Turbidity of Source water
2.) Maintenance

Some have reported nearly 1000 gallons when maintained properly.
For turbidity - choose a clear source of water if possible. If not, let dirty source water settle a while before filtering. Even muddy river water will settle to a clearer state if left to sit still. Prefilter with a microfiber camp towel if possible. Always use the included prefilter socks on the ceramic filters and clean them regularly as needed.
Maintenance - disassemble, clean and let dry the entire product between uses. Periodically use an abrasive pad to resurface the ceramic filter stone to give a fresh filtration surface. Let the filters get several minutes of bright sun if possible. Drying the product out between uses will deter algae growth.
It is like anything else, take care of it, it takes care of you

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