POOLPURE PLFC-8465-M Spa Filter Replaces Watkins 31114 Compatible Unicel C-8465RA Pleatco PWK65-M Filbur FC-3960M 71827 71828 65 sq. ft Hot Spring Spa Filter


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  • 【NSF/ANSI 50 Certified】 Tested and certified by IAPMO against NSF/ANSI 50. 

  • 【Filtration Fabric】 This filter Fabric is infused with an blending material, which can inhibit the growth of dangerous and provide continuous, durable and effective added protection for the lifetime of the product. 

  • 【Longer Service Life】The filter cartridges can extend the lifespan of the cartridge and enhance the filtering capacity and quality. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed.

  • 【Replacement Models】 PLFC-8465-M Filter compatible Watkins 31114, Pleatco PWK65-M, Unicel C-8465RA, Filbur FC-3960M, 71827, Tiger River Caspian, Bengal, Sumatran spa filter. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. POOLPURE is an independent brand.

  • 【Easy Cleaning】The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your spa's performance.

Product details

  • Top Quality Material

    Poolpure only uses Lead-free and BPA free materials.Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. Assure you of safe and no-worry happy times.

     High Chlorine Resistance End Cap

     Reinforced end caps are break resistant and are highly resistant to chemicals commonly found in pool and spa applications.

  • Specifications of PLFC-8465:


    • Length: 10 1/2”

    • Outside Diameter: 8 1/2”

    • Top Opening: 3"

    • Bottom Opening: 3"

    • Filtration Area: 65 sq. ft.

    • Core: PVC core

    • Fabric: Antimicrobial Fabric

Measurements & Compatible

  • Package Dimensions    12 x 9 x 9 inches

    Item Weight    4.22 pounds

  • POOLPURE Replacement Filter for Pool and Spa Cleaning Systems

    Replacement Part Numbers:

    Aladdin 16506 | Baleen AK-7007 | Darlly 80651 | Excel Filters XLS-810 | Filbur FC-3960M | Magnum HS65 | Pleatco PWK65-M | Pleatco PWK45N | Pure N Clean PC-3960 | SD-00541 | SD-01048 | Unicel C-8465RA | OEM 31114 | OEM 71827 | OEM 71828 | 65 Square Foot Hot Springs Spas / Watkins Mfg

    This filter used in pools / spas made by:

    Hot Springs Spas | Tiger River Spas | Watkins Manufacturing | Caldera Spas

    Note: All manufacturers' names and part numbers remain the property of their respective holder(s) and are used for compatibility information only.


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POOLPURE Master, Twilight SPA Water Filter Cartridge Replacements fits X268365, 6CH-402, PMA40L-F2M, 2 in Male Thread/MPT

🌍At Poolpure, we focus on bringing quality new products and technologies to the market, truly providing the cleanest water filtration for every pool and spa owner to ensure health, safety and happiness.

🌍Our commitment to science and engineering defines us as innovators and leaders. Our greatest asset is our true collaboration team. We strive to be smart, accurate, and highly consistent. The combination of discipline and creativity gives us the power and flexibility to consistently break new boundaries and take the lead in the game. Our common goal throughout the company is to “continually improve” every day.

🌍Our focus on superior customer service and support and the relationships we build are key to our success. We work hard every day with enthusiasm and commitment. We care about our customers and communities and take our responsibility seriously.

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How to find a replacement cartridge for your pool or spa?

How to find a replacement cartridge for your pool or spa?

If you already know your filter cartridge's part number or the replacement number, you can use the search the part number on our product page to quickly confirm whether the filter is compatible.

If you do not know the replacement part number for your cartridge, then choosing the right cartridge can be accomplished by measuring your existing one. Use the following steps as a guide:

1. Measure the outside diameter of the cartridge in inches (+/- 1/16).

2. Measure cartridge length from end cap to end cap (+/- 1/16). Exclude any handles or extensions.

3. Identify the correct top and bottom type. If the top and/or bottom is open, measure the inside diameter of the opening (+/- 1/16th inch). If the end cap is closed make note of its identifying features (i.e. “Handle”, “Cone”, etc.).

4. Make note of the manufacturer and model number of the filter into which the replacement cartridge will be installed.

5.Take note whether or not there is a center core (PVC pipe in center).