{"product_id":"maytronics-dolphin-ultra-fine-filter-assembly-bottom-lid-kit-9991412-r1","title":"Maytronics Ultra-Fine Filter Assembly and Bottom Lid Conversion Kit | 9991412-R1","description":"\u003cstyle\u003e  .dlphnfltr-wrap, .dlphnfltr-wrap * { box-sizing: border-box; }  .dlphnfltr-wrap {    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;    color: #1a1a1a;    line-height: 1.55;  }  \/* Header *\/  .dlphnfltr-header {    border-left: 5px solid #6b4dab;    padding: 4px 0 4px 16px;    margin-bottom: 20px;  }  .dlphnfltr-header h2 {    margin: 0;    color: #1e2a5e;    font-size: 1.55em;    font-weight: 700;    letter-spacing: -0.01em;  }  .dlphnfltr-subtitle {    margin: 4px 0 0;    color: #666;    font-size: 0.95em;  }  \/* Intro *\/  .dlphnfltr-intro {    margin: 0 0 24px;    color: #333;    font-size: 0.98em;  }  \/* Section heading *\/  .dlphnfltr-section { margin-bottom: 28px; }  .dlphnfltr-section-heading {    background: #1e2a5e;    color: #fff;    font-size: 0.85em;    font-weight: 700;    letter-spacing: 0.08em;    text-transform: uppercase;    padding: 6px 12px;    margin: 0 0 0;    border-radius: 4px 4px 0 0;  }  \/* Spec table *\/  .dlphnfltr-spec-table {    width: 100%;    border-collapse: collapse;    font-size: 0.93em;    background: #fff;    border: 1px solid #d8dde6;    border-top: none;    border-radius: 0 0 4px 4px;    overflow: hidden;  }  .dlphnfltr-spec-table tr { border-bottom: 1px solid #eef1f6; }  .dlphnfltr-spec-table tr:nth-child(even) { background: #fafbfd; }  .dlphnfltr-spec-table tr:last-child { border-bottom: none; }  .dlphnfltr-spec-table th,  .dlphnfltr-spec-table td {    text-align: left;    padding: 8px 14px;    vertical-align: top;  }  .dlphnfltr-spec-table th {    font-weight: 600;    color: #4a4a4a;    width: 38%;  }  .dlphnfltr-spec-table td {    color: #1a1a1a;    font-family: ui-monospace, \"SF Mono\", Menlo, Consolas, monospace;    font-size: 0.92em;  }  \/* Compatibility list *\/  .dlphnfltr-compat-list {    margin: 0;    padding: 14px 16px 14px 32px;    background: #fff;    border: 1px solid #d8dde6;    border-top: none;    border-radius: 0 0 4px 4px;    list-style: square;    color: #1a1a1a;    font-size: 0.95em;  }  .dlphnfltr-compat-list li { padding: 2px 0; }  .dlphnfltr-compat-list li::marker { color: #6b4dab; }  \/* Cross-reference chip list *\/  .dlphnfltr-chips {    padding: 14px;    background: #fff;    border: 1px solid #d8dde6;    border-top: none;    border-radius: 0 0 4px 4px;    display: flex;    flex-wrap: wrap;    gap: 8px;  }  .dlphnfltr-chip {    background: #f0f3f8;    border: 1px solid #d8dde6;    color: #1e2a5e;    padding: 5px 12px;    border-radius: 4px;    font-family: ui-monospace, \"SF Mono\", Menlo, Consolas, monospace;    font-size: 0.88em;    font-weight: 600;  }  \/* Notes \/ FAQ *\/  .dlphnfltr-notes {    padding: 14px;    background: #fff;    border: 1px solid #d8dde6;    border-top: none;    border-radius: 0 0 4px 4px;  }  .dlphnfltr-note-item { padding: 8px 0; border-bottom: 1px solid #eef1f6; }  .dlphnfltr-note-item:last-child { border-bottom: none; }  .dlphnfltr-note-q { font-weight: 600; color: #1e2a5e; margin: 0 0 3px; font-size: 0.95em; }  .dlphnfltr-note-a { margin: 0; color: #333; font-size: 0.93em; }  \/* Footer *\/  .dlphnfltr-footer {    border-top: 1px solid #d8dde6;    padding-top: 12px;    margin-top: 24px;    text-align: center;    color: #555;    font-size: 0.88em;  }  .dlphnfltr-footer .dlphnfltr-dot {    color: #6b4dab;    margin: 0 8px;    font-weight: 700;  }\u003c\/style\u003e\u003cdiv class=\"dlphnfltr-wrap\"\u003e  \u003cheader class=\"dlphnfltr-header\"\u003e    \u003ch2\u003eMaytronics Dolphin Ultra-Fine Filter Assembly and Bottom Lid Conversion Kit\u003c\/h2\u003e      \u003c\/header\u003e  \u003cp class=\"dlphnfltr-intro\"\u003eUpgrade your Dolphin robotic pool cleaner's filtration system with the Maytronics \u003cstrong\u003e9991412-R1\u003c\/strong\u003e Ultra-Fine Filter Assembly and Bottom Lid Conversion Kit. This kit, MPN \u003cstrong\u003e9991412-R1\u003c\/strong\u003e, converts your cleaner from a bag filter to an efficient \u003cstrong\u003eCartridge Filter\u003c\/strong\u003e system.\u003c\/p\u003e    \u003csection class=\"dlphnfltr-section\"\u003e      \u003cdiv class=\"dlphnfltr-section-heading\"\u003eGeneral Information\u003c\/div\u003e      \u003ctable class=\"dlphnfltr-spec-table\"\u003e        \u003ctbody\u003e          \u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eMaytronics (U.S.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ MPN\u003c\/th\u003e\n\u003ctd\u003e9991412-R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003ePST-9991412-R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e00890908002912\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eConverts compatible Dolphin pool cleaners from a bag filter system to a cartridge filter system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComponents Included\u003c\/th\u003e\n\u003ctd\u003eBottom Lid, 4 Ultra Fine Filter Cartridges\u003c\/td\u003e\n\u003c\/tr\u003e        \u003c\/tbody\u003e      \u003c\/table\u003e    \u003c\/section\u003e    \u003csection class=\"dlphnfltr-section\"\u003e      \u003cdiv class=\"dlphnfltr-section-heading\"\u003eFilter Specifications\u003c\/div\u003e      \u003ctable class=\"dlphnfltr-spec-table\"\u003e        \u003ctbody\u003e          \u003ctr\u003e\n\u003cth\u003eFilter Type\u003c\/th\u003e\n\u003ctd\u003eUltra-Fine Filter Cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Color\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater Type\u003c\/th\u003e\n\u003ctd\u003eFresh Water\u003c\/td\u003e\n\u003c\/tr\u003e        \u003c\/tbody\u003e      \u003c\/table\u003e    \u003c\/section\u003e    \u003csection class=\"dlphnfltr-section\"\u003e      \u003cdiv class=\"dlphnfltr-section-heading\"\u003ePhysical\u003c\/div\u003e      \u003ctable class=\"dlphnfltr-spec-table\"\u003e        \u003ctbody\u003e          \u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e0.5 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Dimensions (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e10.00 x 7.00 x 2.25 inches\u003c\/td\u003e\n\u003c\/tr\u003e        \u003c\/tbody\u003e      \u003c\/table\u003e    \u003c\/section\u003e    \u003csection class=\"dlphnfltr-section\"\u003e      \u003cdiv class=\"dlphnfltr-section-heading\"\u003eCertifications \u0026amp; Warranty\u003c\/div\u003e      \u003ctable class=\"dlphnfltr-spec-table\"\u003e        \u003ctbody\u003e          \u003ctr\u003e\n\u003cth\u003eGeneral Compliance\u003c\/th\u003e\n\u003ctd\u003eMeets or exceeds all industry standards and specifications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCalifornia Proposition 65 Warning\u003c\/th\u003e\n\u003ctd\u003eThis product may contain chemicals known to the State of California to cause cancer or reproductive harm.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty Validation\u003c\/th\u003e\n\u003ctd\u003eProfessional installation is required.\u003c\/td\u003e\n\u003c\/tr\u003e        \u003c\/tbody\u003e      \u003c\/table\u003e    \u003c\/section\u003e  \u003csection class=\"dlphnfltr-section\"\u003e    \u003cdiv class=\"dlphnfltr-section-heading\"\u003eCompatibility\u003c\/div\u003e    \u003cul class=\"dlphnfltr-compat-list\"\u003e      \u003cli\u003eOrion\u003c\/li\u003e\n\u003cli\u003eDeluxe 3\u003c\/li\u003e\n\u003cli\u003eAtlantis\u003c\/li\u003e\n\u003cli\u003eApollo\u003c\/li\u003e\n\u003cli\u003eApollo Plus\u003c\/li\u003e\n\u003cli\u003eDX3\u003c\/li\u003e\n\u003cli\u003eDX3s\u003c\/li\u003e\n\u003cli\u003eDX4\u003c\/li\u003e\n\u003cli\u003eDX4s\u003c\/li\u003e\n\u003cli\u003eSaturn\u003c\/li\u003e\n\u003cli\u003eEndeavor\u003c\/li\u003e\n\u003cli\u003eM3\u003c\/li\u003e\n\u003cli\u003eNeptune\u003c\/li\u003e\n\u003cli\u003eNeptune Plus\u003c\/li\u003e\n\u003cli\u003ePrimal X3\u003c\/li\u003e\n\u003cli\u003eDolphin H50\u003c\/li\u003e    \u003c\/ul\u003e  \u003c\/section\u003e  \u003csection class=\"dlphnfltr-section\"\u003e    \u003cdiv class=\"dlphnfltr-section-heading\"\u003eNotes\u003c\/div\u003e    \u003cdiv class=\"dlphnfltr-notes\"\u003e      \u003cdiv class=\"dlphnfltr-note-item\"\u003e        \u003cp class=\"dlphnfltr-note-q\"\u003eWhat does the Ultra-Fine Filter Assembly and Bottom Lid Conversion Kit include?\u003c\/p\u003e        \u003cp class=\"dlphnfltr-note-a\"\u003eThis kit includes a new \u003cstrong\u003eBottom Lid\u003c\/strong\u003e and \u003cstrong\u003efour Ultra-Fine Filter Cartridges\u003c\/strong\u003e to replace your existing bag filter system.\u003c\/p\u003e      \u003c\/div\u003e      \u003cdiv class=\"dlphnfltr-note-item\"\u003e        \u003cp class=\"dlphnfltr-note-q\"\u003eWhich Dolphin robotic pool cleaners are compatible with this conversion kit?\u003c\/p\u003e        \u003cp class=\"dlphnfltr-note-a\"\u003eThis conversion kit (\u003cstrong\u003e9991412-R1\u003c\/strong\u003e) is compatible with a wide range of Dolphin models, including Orion, Deluxe 3, Atlantis, Apollo, Apollo Plus, DX3, DX3s, DX4, DX4s, Saturn, Endeavor, M3, Neptune, Neptune Plus, Primal X3, and Dolphin H50.\u003c\/p\u003e      \u003c\/div\u003e      \u003cdiv class=\"dlphnfltr-note-item\"\u003e        \u003cp class=\"dlphnfltr-note-q\"\u003eIs professional installation required for this conversion kit?\u003c\/p\u003e        \u003cp class=\"dlphnfltr-note-a\"\u003eWhile the installation process is straightforward, \u003cstrong\u003eprofessional installation is required for warranty validation\u003c\/strong\u003e according to Maytronics guidelines.\u003c\/p\u003e      \u003c\/div\u003e    \u003c\/div\u003e  \u003c\/section\u003e  \u003cfooter class=\"dlphnfltr-footer\"\u003e    Free Shipping\u003cspan class=\"dlphnfltr-dot\"\u003e•\u003c\/span\u003e30-Day Returns\u003cspan class=\"dlphnfltr-dot\"\u003e•\u003c\/span\u003eManufacturer's Warranty\u003cspan class=\"dlphnfltr-dot\"\u003e•\u003c\/span\u003eAuthorized Maytronics Dealer  \u003c\/footer\u003e\n\u003c\/div\u003e","brand":"Maytronics","offers":[{"title":"Default Title","offer_id":44277785952321,"sku":"PST-9991412-R1","price":103.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/2026-07-30at03.50.46PM.png?v=1785441082","url":"https:\/\/www.pstpoolsupplies.com\/products\/maytronics-dolphin-ultra-fine-filter-assembly-bottom-lid-kit-9991412-r1","provider":"PST Pool Supplies","version":"1.0","type":"link"}