ProOne Big II Gravity Water Filter with G2.0 Filter Elements

ProOne Big II Gravity Water Filter with  G2.0 Filter Elements

ProOne Big II Gravity Water Filter with G2.0 Filter Elements


The ProOne Big II Gravity Water Filter with G2.0 Filter Elements is essential for an emergency preparedness plan for you and your family. It is economical, convenient, and easy to use. The system requires no electricity to provide reliable water filtration just about anywhere whether at home, office, vacation, camping, or college dorms! Works with just about any water source including tap, lake, river, stream, pond, and rainwater.

Ideal for emergency or daily use. The new ProOne® BIG II Gravity system features an exclusive design for viewing how much water is in the lower container by just looking at it. The BIG II is made from heavy-duty BPA-free plastic for long-lasting durability and includes a BPA-free plastic spigot.

ProOne Big ll system features include:

    Recommended for 2-4 persons

    Dimensions: 9.25″ x 21″

    BPA & PVC free plastic

    Includes two ProOne® G2.0 7″ filters or 1 G2.0 5" filter

    2.5-gallon capacity

    The ProOne® G2.0 filters for the Propur Big ll


    • Recommended replacement for 2 ProOne® G2.0 filter elements: up to 12 months
    • Most economical "All-In-One" contaminants & fluoride filter element
    • Removes fluoride, heavy metals, contaminants, glyphosate, and more
    • Silver infused to help prevent the growth of bacteria
    • NO priming required
    • Easy to clean
    • Leaves good minerals, including calcium, in water
    • Nut and Alumina Free

    All ProOne® gravity systems feature ProOne® G2.0 “all-in-one” NSF/ANSI-42 component certified filter technology – the smarter filter. Independent lab tested to NSF standards 42, 53, P231, microplastics,1,4 Dioxane, Microcystin, emerging contaminants, PFOAS (GenX), TTHM’s, bacteria, Fluoride, Lead, Parasites, and more.

    Available Lab Reports:

    NSF Standard 53, and NSF Standard 42, NSF Standard 401 NSF P-473, NSF P231, Chemical Reduction Tests Results

      The current processing time for orders is 1 to 5 business days

      Free shipping on orders over $69.99 and $6.99 flat rate shipping for orders under $69.99  in Mainland 48 States only.  For all others please contact for shipping quote.

      Questions & Answers

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      • Do you offer any type of financing for this purchase

        If you use PayPal they have financing.

      • How often does the filter need to be replaced with a new filter or can your filter be washed/rinsed for additional usage

        It is recommended to replace them every 12 months. You can clean them with an abrasive brush or a green Scotch Brite pad when the water flow slows down.

      • Do you offer replacement filters and what is the cost

        Here is the link to the replacement filters.

        ProOne 7-inch Replacement Filters

      • Do the filters need to be primed?


      • Does it remove iron

        It might remove some but it really is not designed  to remove iron

      • Does it filter out snake venom being but in our water

        We can not say for sure as it has not been tested to remove it.

      • In an emergency would this work to filter pool water into drinkable water from an indoor swimming pool?

        Yes, it would work to filter swimming pool water.

      • How many gallons a day will it filter?

        It will filter around 2.5 gallons every 3.5 to 4 hours with 2 7" filters in it.

      • Is your unit able to use filters from the other brands? Are they interchangeable?

        Yes, you can use other brands of filters.

      • Does the ProOne Big Gravity II Water Filter filter out parasites, bacteria, viruses and cysts from the water? Does it remove chlorine from water?

        Yes, it does remove bacteria, parasites, cysts chlorine, and much more. If you go to the bottom of the description there is a link that takes you to the test results of what it will filter.

      • How can the filter be cleaned?

        You will remove the filters from the housing and with a green scotchbrite pad or soft bristle brush under cold ( only ) running water you gently scrub them.  Rinse well and reinstall into system

      • how many filtters does the big-II take?

        The ProOne Big ll Gravity Filter holds up to 2 filters.

      • Is the water reservoir materials produced and made in the US?

        No, the ProOne are made in China. The aquacera are made in the USA. Here is a link to them.

        Aquacera Water Filters

      • Can the ProOne Big II unit hold two ProOne G2.0 7" Imperial size filters?

        Yes, it does hold 2 filters.

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