{"product_id":"59023400-filter-grid-assembly-for-48-sq-ft-fns-plus-pool-and-spa-2","title":"59023400 Filter Complete Element Grid Assembly with FNS Plus 48 sq. ft D.E. Filter","description":"\u003cstyle\u003e\n  \/* ===== Pool Filter Grid Assembly — Mobile-optimized Shopify block ===== *\/\n  .pool-wrap{\n    font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;\n    color:#0f172a;background:#f8fafc;border-radius:16px;overflow:hidden;line-height:1.65;\n  }\n  .pool-container{max-width:860px;margin:0 auto;padding:14px 12px;}\n  \/* Typography *\/\n  .title{font-size:clamp(20px,5.2vw,28px);line-height:1.25;font-weight:800;color:#0b1220;margin:2px 0 8px}\n  .sub{color:#334155;font-size:15px}\n  .sec-title{font-weight:800;color:#0b1220;font-size:18px;margin:0 0 10px}\n  \/* Badges *\/\n  .badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}\n  .badge{background:#fff;border:1px solid #e5e7eb;border-radius:999px;padding:8px 10px;font-size:13px;line-height:1.15;display:inline-flex;gap:6px;align-items:center;box-shadow:0 1px 0 rgba(16,24,40,.04)}\n  .badge i{font-style:normal}\n  \/* Sections *\/\n  .section{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:12px;margin-top:12px}\n  .grid-2{display:grid;grid-template-columns:1fr;gap:10px}\n  .kitem{background:#f9fafb;border:1px dashed #e5e7eb;border-radius:12px;padding:10px;font-size:15px}\n  \/* Specs table *\/\n  .specs{width:100%;border-collapse:separate;border-spacing:0 6px;font-size:15px}\n  .specs th,.specs td{padding:10px 12px;background:#f9fafb;border:1px solid #e5e7eb;text-align:left}\n  .specs th{width:42%;font-weight:700;color:#0b1220;border-right:none;border-radius:10px 0 0 10px}\n  .specs td{border-left:none;border-radius:0 10px 10px 0}\n  \/* Lists \u0026 cards *\/\n  .list{margin:6px 0 0;padding-left:18px;color:#0f172a;font-size:15px}\n  .cards{display:grid;grid-template-columns:1fr;gap:10px}\n  .card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;padding:12px}\n  .card h4{margin:0 0 6px;font-size:15px;font-weight:800;color:#0b1220}\n  .card p{margin:0;color:#334155;font-size:14px}\n  \/* CTA buttons (full-width mobile) *\/\n  .cta{display:grid;grid-template-columns:1fr;gap:8px;margin-top:10px}\n  .btn{display:inline-flex;gap:8px;align-items:center;justify-content:center;padding:12px 14px;border-radius:12px;font-weight:800;text-decoration:none;font-size:15px}\n  .btn-primary{background:#0b1220;color:#fff}\n  .btn-ghost{background:#fff;border:1px solid #e5e7eb;color:#0b1220}\n  .muted{color:#475569;font-size:13px}\n  .note{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:12px;padding:10px;font-size:13px}\n  \/* Motion *\/\n  .fade-in{animation:fade .45s ease both}\n  @keyframes fade{from{opacity:.001;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}\n  @media (prefers-reduced-motion:reduce){.fade-in{animation:none}}\n  \/* Tablet \u0026 up *\/\n  @media (min-width:768px){\n    .pool-container{padding:18px 16px}\n    .grid-2{grid-template-columns:1fr 1fr}\n    .cards{grid-template-columns:repeat(3,1fr)}\n    .cta{grid-template-columns:auto auto}\n  }\n\n  \/* --- Carousel \u0026 Lightbox (no JS) --- *\/\n  .carousel{position:relative;display:grid;gap:8px;margin-top:10px}\n  .carousel-track{\n    display:grid;grid-auto-flow:column;grid-auto-columns:100%;\n    overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;gap:10px;\n  }\n  .carousel-track::-webkit-scrollbar{display:none}\n  .slide{scroll-snap-align:start}\n  .slide a.zoom{display:block;border-radius:14px;border:1px solid #e5e7eb;overflow:hidden;background:#fff}\n  .slide img{width:100%;height:auto;display:block}\n\n  .nav-dots{display:flex;gap:6px;justify-content:center}\n  .nav-dots a{width:8px;height:8px;border-radius:999px;background:#cbd5e1;display:inline-block}\n  .nav-dots a:focus{outline:2px solid #0b1220}\n\n  @media (min-width:768px){\n    .nav-arrows a{\n      position:absolute;top:50%;transform:translateY(-50%);\n      background:#0b1220;color:#fff;text-decoration:none;\n      padding:8px 10px;border-radius:10px;opacity:.9\n    }\n    .nav-arrows a:hover{opacity:1}\n    .nav-arrows .prev{left:8px}\n    .nav-arrows .next{right:8px}\n  }\n\n  \/* Lightbox *\/\n  .lightbox{position:fixed;inset:0;background:rgba(15,23,42,.88);display:none;\n    align-items:center;justify-content:center;z-index:9999;padding:16px}\n  .lightbox:target{display:flex}\n  .lightbox figure{margin:0}\n  .lightbox img{max-width:95vw;max-height:95vh;border-radius:12px;border:1px solid #334155}\n  .lightbox .close{\n    position:absolute;top:12px;right:12px;background:#fff;color:#0b1220;\n    text-decoration:none;padding:8px 10px;border-radius:10px;font-weight:800\n  }\n\n  \/* === Color Accents (optional) === *\/\n  :root{\n    --accent:#2563eb;        \/* 主色（可改为你的品牌色） *\/\n    --accent-ink:#ffffff;    \/* 主色上的文字色 *\/\n    --ok:#047857;            \/* 成功\/优势 *\/\n    --warn:#b45309;          \/* 警示\/不兼容 *\/\n    --info-bg:#eff6ff;       \/* 信息卡背景 *\/\n    --info-bd:#bfdbfe;       \/* 信息卡边框 *\/\n    --info-fg:#1e3a8a;       \/* 信息卡文字 *\/\n  }\n  .badge--accent{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}\n  .badge--ok{background:#ecfdf5;color:var(--ok);border-color:#d1fae5}\n  .badge--warn{background:#fff7ed;color:var(--warn);border-color:#fed7aa}\n  mark.hl{\n    background:linear-gradient(to top, rgba(37,99,235,.18) 0, rgba(37,99,235,.18) 60%, transparent 60%);\n    padding:0 .08em;border-radius:4px\n  }\n  .note--info{background:var(--info-bg);border-color:var(--info-bd);color:var(--info-fg)}\n  .tag{\n    display:inline-block; padding:2px 8px; border-radius:999px;\n    font-size:12px; line-height:1; border:1px solid #e5e7eb; background:#fff; color:#0f172a\n  }\n  .tag--ok{background:#ecfdf5;color:var(--ok);border-color:#d1fae5}\n  .tag--warn{background:#fff7ed;color:var(--warn);border-color:#fed7aa}\n\u003c\/style\u003e\n\u003cdiv class=\"pool-wrap\"\u003e\n\u003cdiv class=\"pool-container\"\u003e\n\u003c!-- HERO --\u003e\n\u003csection class=\"fade-in\"\u003e\n\u003ch1 class=\"title\"\u003e59023400 Filter Complete Element Grid Assembly w\/ Air Bleed — Compatible with FNS Plus 48 sq. ft D.E. Filter\u003c\/h1\u003e\n\u003cp class=\"sub\"\u003eIncludes manifold top, air bleed, complete grid assembly, and grid locator spider. Direct replacement for FNS Plus pool \u0026amp; spa D.E. systems (48 sq. ft).\u003c\/p\u003e\n\u003cdiv class=\"badges\"\u003e\n\u003cspan class=\"badge\"\u003e\u003ci\u003e🔧\u003c\/i\u003e Direct Replacement\u003c\/span\u003e \u003cspan class=\"badge\"\u003e\u003ci\u003e🧩\u003c\/i\u003e Complete Assembly\u003c\/span\u003e \u003cspan class=\"badge badge--accent\"\u003e\u003ci\u003e📏\u003c\/i\u003e 48 sq. ft\u003c\/span\u003e \u003cspan class=\"badge badge--accent\"\u003e\u003ci\u003e🏷️\u003c\/i\u003e MPN: 59023400\u003c\/span\u003e \u003cspan class=\"badge badge--accent\"\u003e\u003ci\u003e💧\u003c\/i\u003e For Pentair FNS Plus\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Carousel + Lightbox --\u003e\n\u003cdiv class=\"carousel\" role=\"region\" aria-label=\"Product images\"\u003e\n\u003cdiv class=\"carousel-track\"\u003e\n\u003c!-- Slide 1 --\u003e\n\u003cdiv id=\"slide-1\" class=\"slide\"\u003e\u003ca class=\"zoom\" href=\"#zoom1\" aria-label=\"Open image 1 in full screen\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/8388\/8717\/files\/43c34d0ac4004b54d27dd33aca62adec_71a5c80a-fa60-4564-acdb-31c331cf12eb.jpg?v=1751974387\" alt=\"59023400 complete element grid assembly front view\" loading=\"eager\" decoding=\"async\"\u003e \u003c\/a\u003e\u003c\/div\u003e\n\u003c!-- Slide 2 --\u003e\n\u003cdiv id=\"slide-2\" class=\"slide\"\u003e\u003ca class=\"zoom\" href=\"#zoom2\" aria-label=\"Open image 2 in full screen\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/8388\/8717\/files\/4f404d27cbbbf333adb1afbf004fa43a_ea3dd51c-efe9-4940-a8dc-ce083b6cf2bc.jpg?v=1751974388\" alt=\"Air bleed and manifold top details\" loading=\"lazy\" decoding=\"async\"\u003e \u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Dots --\u003e\n\u003cdiv class=\"nav-dots\" aria-hidden=\"true\"\u003e\n\u003ca href=\"#slide-1\" title=\"Go to image 1\"\u003e\u003c\/a\u003e \u003ca href=\"#slide-2\" title=\"Go to image 2\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- Desktop arrows --\u003e\n\u003cdiv class=\"nav-arrows\" aria-hidden=\"true\"\u003e\n\u003ca class=\"prev\" href=\"#slide-1\" aria-label=\"Previous image\"\u003e‹\u003c\/a\u003e \u003ca class=\"next\" href=\"#slide-2\" aria-label=\"Next image\"\u003e›\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Lightbox overlays --\u003e\n\u003cdiv id=\"zoom1\" class=\"lightbox\" aria-modal=\"true\" role=\"dialog\"\u003e\n\u003ca class=\"close\" href=\"#!\" aria-label=\"Close\"\u003eClose ✕\u003c\/a\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/8388\/8717\/files\/43c34d0ac4004b54d27dd33aca62adec_71a5c80a-fa60-4564-acdb-31c331cf12eb.jpg?v=1751974387\" alt=\"59023400 complete element grid assembly front view — enlarged\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"zoom2\" class=\"lightbox\" aria-modal=\"true\" role=\"dialog\"\u003e\n\u003ca class=\"close\" href=\"#!\" aria-label=\"Close\"\u003eClose ✕\u003c\/a\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/8388\/8717\/files\/4f404d27cbbbf333adb1afbf004fa43a_ea3dd51c-efe9-4940-a8dc-ce083b6cf2bc.jpg?v=1751974388\" alt=\"Air bleed and manifold top details — enlarged\"\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cta\"\u003e\n\u003ca class=\"btn btn-primary\" href=\"#add-to-cart\" aria-label=\"Add to cart\"\u003e🛒 Add to Cart\u003c\/a\u003e \u003ca class=\"btn btn-ghost\" href=\"#fitment\" aria-label=\"Check compatibility\"\u003e✅ Check Fitment\u003c\/a\u003e \u003cspan class=\"muted\"\u003eFree shipping · Ships within 24 hrs · 3–7 business days delivery\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- KEY HIGHLIGHTS --\u003e\n\u003csection class=\"section fade-in\"\u003e\n\u003ch3 class=\"sec-title\"\u003eKey Highlights\u003c\/h3\u003e\n\u003cdiv class=\"grid-2\"\u003e\n\u003cdiv class=\"kitem\"\u003eEffectively restores flow and helps reduce high pump pressure caused by clogged or worn grids.\u003c\/div\u003e\n\u003cdiv class=\"kitem\"\u003eCleanable complete element grid assembly—rinse\/backwash regularly for optimal performance.\u003c\/div\u003e\n\u003cdiv class=\"kitem\"\u003eEasy installation with locator spider and manifold top; direct-fit for \u003cmark class=\"hl\"\u003e\u003cb\u003eFNS Plus 48 sq. ft\u003c\/b\u003e\u003c\/mark\u003e.\u003c\/div\u003e\n\u003cdiv class=\"kitem\"\u003eDurable build quality for long-term service; replace aging or damaged assemblies with confidence.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"note note--info\" style=\"margin-top: 10px;\"\u003eTip: Always confirm your filter model and square footage before ordering. This assembly is for \u003cmark class=\"hl\"\u003e\u003cb\u003eFNS Plus 48 sq. ft\u003c\/b\u003e\u003c\/mark\u003e D.E. filters only.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- WHAT'S INCLUDED --\u003e\n\u003csection class=\"section fade-in\"\u003e\n\u003ch3 class=\"sec-title\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul class=\"list\"\u003e\n\u003cli\u003eManifold top\u003c\/li\u003e\n\u003cli\u003eAir bleed assembly\u003c\/li\u003e\n\u003cli\u003eComplete element grid set\u003c\/li\u003e\n\u003cli\u003eGrid Locator Spider\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- FITMENT --\u003e\n\u003csection id=\"fitment\" class=\"section fade-in\"\u003e\n\u003ch3 class=\"sec-title\"\u003eCompatibility \/ Fitment\u003c\/h3\u003e\n\u003cul class=\"list\"\u003e\n\u003cli\u003eCompatible with: \u003cb\u003eFNS Plus Pool \u0026amp; Spa D.E. Filters\u003c\/b\u003e — \u003cb\u003e48 sq. ft\u003c\/b\u003e configuration.\u003c\/li\u003e\n\u003cli\u003eManufacturer reference \/ Model number: \u003cb\u003e59023400\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003eBrand reference: \u003cb\u003eFor Pentair\u003c\/b\u003e (fitment reference only; not affiliated).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNot for\u003c\/b\u003e other capacities (e.g., 36 or 60 sq. ft). \u003cspan class=\"tag tag--warn\"\u003e36\/60 sq. ft Not Compatible\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- SPECIFICATIONS --\u003e\n\u003csection class=\"section fade-in\"\u003e\n\u003ch3 class=\"sec-title\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"specs\" role=\"table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003e100% Brand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eFilter Grid Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ MPN\u003c\/th\u003e\n\u003ctd\u003e59023400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eShown as pictures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Type\u003c\/th\u003e\n\u003ctd\u003eDirect Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuitable For\u003c\/th\u003e\n\u003ctd\u003eFor Pentair FNS Plus (48 sq. ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003ctd\u003e1 × 59023400 Filter Complete Element Grid Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003c!-- INSTALL \u0026 CARE --\u003e\n\u003csection class=\"section fade-in\"\u003e\n\u003ch3 class=\"sec-title\"\u003eInstallation \u0026amp; Care\u003c\/h3\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch4\u003eQuick Install\u003c\/h4\u003e\n\u003cp\u003eShut off pump \u0026amp; relieve pressure → open filter → remove old assembly → seat locator spider \u0026amp; manifold → install new complete grid assembly → ensure air bleed connects properly → close housing \u0026amp; prime.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch4\u003eRoutine Cleaning\u003c\/h4\u003e\n\u003cp\u003eRinse grids regularly and backwash per the filter manual. Always recharge with the correct amount of D.E. after cleaning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch4\u003eBest Practice\u003c\/h4\u003e\n\u003cp\u003eMonitor system pressure; if PSI remains high after cleaning, inspect plumbing and pump basket for obstructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"muted\" style=\"margin-top: 8px;\"\u003eFollow your filter manufacturer’s manual and local pool safety guidelines.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- FAQ --\u003e\n\u003csection class=\"section fade-in\" id=\"faq\"\u003e\n\u003ch3 class=\"sec-title\"\u003eFAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs D.E. powder required after installing this assembly?\u003c\/summary\u003e\n\u003cp\u003eYes. This is a D.E. filter grid assembly. After cleaning or replacement, recharge the filter with the manufacturer-recommended D.E. amount.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this fit non-FNS Plus or other sizes?\u003c\/summary\u003e\n\u003cp\u003eNo. This listing is for FNS Plus \u003cb\u003e48 sq. ft\u003c\/b\u003e only. It will not fit 36 or 60 sq. ft. Please check your filter label before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the kit include the complete grid set?\u003c\/summary\u003e\n\u003cp\u003eYes—manifold top, air bleed, complete grid assembly, and grid locator spider are included as listed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs it easy to install?\u003c\/summary\u003e\n\u003cp\u003eMost owners with basic pool maintenance experience can install it. If unsure, consult a qualified pool technician.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003c!-- SHIPPING \u0026 WARRANTY --\u003e\n\u003csection class=\"section fade-in\"\u003e\n\u003ch3 class=\"sec-title\"\u003eShipping \u0026amp; Warranty\u003c\/h3\u003e\n\u003cul class=\"list\"\u003e\n\u003cli\u003e\n\u003cb\u003eFree Shipping\u003c\/b\u003e \u003cspan class=\"tag tag--ok\"\u003eFree\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHandling Time:\u003c\/b\u003e Ships within 24 hours \u003cspan class=\"tag tag--ok\"\u003eFast Dispatch\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDelivery Time:\u003c\/b\u003e 3–7 business days\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 1 year\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSupport:\u003c\/b\u003e 24-hour after-sale assistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"note\" style=\"margin-top: 10px;\"\u003eTrademarks like “Pentair” and “FNS Plus” belong to their respective owners and are used here strictly for fitment reference.\u003c\/p\u003e\n\u003cdiv class=\"cta\"\u003e\n\u003ca class=\"btn btn-primary\" href=\"#add-to-cart\" aria-label=\"Add to cart\"\u003e🛒 Add to Cart\u003c\/a\u003e \u003ca class=\"btn btn-ghost\" href=\"#faq\" aria-label=\"Read FAQs\"\u003e❓ FAQ\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Itopteng","offers":[{"title":"Default Title","offer_id":42846716493901,"sku":"H107-A006~xm","price":249.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/8388\/8717\/files\/82becb0c05d2fd413375ef70999a690d_0b397b6c-3824-4b70-bafe-ba938ecf31b6.jpg?v=1775541292","url":"https:\/\/itopteng.com\/products\/59023400-filter-grid-assembly-for-48-sq-ft-fns-plus-pool-and-spa-2","provider":"Itopteng","version":"1.0","type":"link"}