{"product_id":"apc-apcc7440-cartridge-5-5-16-x-21-5-16-100-sq-ft","title":"APC 100 Sq Ft Spa Filter Cartridge (APCC7440)","description":"\n\u003cstyle\u003e\n  .apcc74-wrap, .apcc74-wrap * { box-sizing: border-box; }\n  .apcc74-wrap {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #1a1a1a;\n    line-height: 1.6;\n  }\n\n  \/* Hero (compact) *\/\n  .apcc74-hero {\n    background: linear-gradient(135deg, #1a4d2e 0%, #8bc34a 100%);\n    color: #fff;\n    padding: 36px 32px;\n    border-radius: 14px;\n    text-align: center;\n    margin-bottom: 28px;\n  }\n  .apcc74-hero h1 { font-size: 2em; margin: 0 0 8px; font-weight: 800; letter-spacing: -0.02em; }\n  .apcc74-tagline { font-size: 1.1em; opacity: 0.95; margin: 0 0 18px; }\n  .apcc74-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }\n  .apcc74-badge {\n    background: rgba(255,255,255,0.18);\n    border: 1px solid rgba(255,255,255,0.3);\n    color: #fff;\n    padding: 6px 14px;\n    border-radius: 50px;\n    font-size: 0.85em;\n    font-weight: 600;\n  }\n\n  \/* Intro *\/\n  .apcc74-intro {\n    max-width: 800px;\n    margin: 0 auto 32px;\n    text-align: center;\n    font-size: 1.05em;\n    color: #333;\n  }\n\n  \/* Stat strip *\/\n  .apcc74-stats {\n    background: linear-gradient(135deg, #0c2c1a 0%, #1a4d2e 100%);\n    color: #fff;\n    border-radius: 14px;\n    padding: 24px;\n    display: grid;\n    grid-template-columns: repeat(5, 1fr);\n    gap: 12px;\n    margin-bottom: 36px;\n  }\n  .apcc74-stat { text-align: center; }\n  .apcc74-stat-value { font-size: 1.5em; font-weight: 800; color: #b6dd7e; }\n  .apcc74-stat-label { font-size: 0.78em; opacity: 0.85; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 4px; }\n\n  \/* Section headings *\/\n  .apcc74-section { margin-bottom: 36px; }\n  .apcc74-section \u003e h2 { font-size: 1.5em; margin: 0 0 18px; text-align: center; color: #1a4d2e; }\n\n  \/* Feature card grid *\/\n  .apcc74-feature-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));\n    gap: 16px;\n  }\n  .apcc74-feature-card {\n    background: #fff;\n    border: 1px solid #e1e6ed;\n    border-radius: 12px;\n    padding: 22px;\n    transition: transform 0.2s, box-shadow 0.2s;\n  }\n  .apcc74-feature-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(26,77,46,0.14); }\n  .apcc74-emoji { font-size: 1.8em; }\n  .apcc74-feature-card h5 { margin: 10px 0 6px; font-size: 1.05em; color: #1a1a1a; }\n  .apcc74-feature-card p { margin: 0; color: #444; font-size: 0.95em; }\n\n  \/* Warning *\/\n  .apcc74-warning {\n    background: #fff7e0;\n    border-left: 5px solid #f5a623;\n    border-radius: 10px;\n    padding: 18px 22px;\n    margin-bottom: 36px;\n  }\n  .apcc74-warning h4 { margin: 0 0 6px; color: #8a5b00; font-size: 1.05em; }\n  .apcc74-warning p { margin: 0; color: #5a3d00; font-size: 0.95em; }\n\n  \/* Spec grid *\/\n  .apcc74-spec-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n    background: #f7f8fc;\n    border-radius: 14px;\n    overflow: hidden;\n  }\n  .apcc74-spec-row {\n    display: flex;\n    justify-content: space-between;\n    gap: 12px;\n    padding: 12px 18px;\n    border-bottom: 1px solid #e1e6ed;\n    font-size: 0.95em;\n  }\n  .apcc74-spec-key { font-weight: 600; color: #1a4d2e; }\n  .apcc74-spec-val { color: #1a1a1a; text-align: right; }\n\n  \/* FAQ *\/\n  .apcc74-faq-card {\n    background: #fff;\n    border: 1px solid #e1e6ed;\n    border-radius: 10px;\n    padding: 18px 22px;\n    margin-bottom: 12px;\n  }\n  .apcc74-faq-card h4 { margin: 0 0 6px; color: #1a4d2e; font-size: 1.02em; }\n  .apcc74-faq-card p { margin: 0; color: #333; font-size: 0.95em; }\n\n  \/* CTA *\/\n  .apcc74-cta {\n    background: linear-gradient(135deg, #1a4d2e 0%, #8bc34a 100%);\n    color: #fff;\n    border-radius: 14px;\n    padding: 32px 28px;\n    text-align: center;\n  }\n  .apcc74-cta h2 { font-size: 1.6em; margin: 0 0 8px; }\n  .apcc74-cta p { margin: 0 0 18px; font-size: 1em; opacity: 0.95; }\n  .apcc74-perks { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }\n  .apcc74-perk {\n    background: rgba(255,255,255,0.18);\n    border: 1px solid rgba(255,255,255,0.3);\n    padding: 6px 14px;\n    border-radius: 50px;\n    font-size: 0.88em;\n    font-weight: 600;\n  }\n\n  \/* Responsive *\/\n  @media (max-width: 700px) {\n    .apcc74-hero h1 { font-size: 1.5em; }\n    .apcc74-stats { grid-template-columns: repeat(2, 1fr); }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"apcc74-wrap\"\u003e\n\n  \u003csection class=\"apcc74-hero\"\u003e\n    \u003ch1\u003eAPC 100 Sq Ft Spa Filter Cartridge (APCC7440)\u003c\/h1\u003e\n    \u003cp class=\"apcc74-tagline\"\u003eDrop-in replacement for Coast Spas and Waterway.\u003c\/p\u003e\n    \n    \u003cdiv class=\"apcc74-badges\"\u003e\n      \u003cspan class=\"apcc74-badge\"\u003e100 Sq Ft\u003c\/span\u003e\u003cspan class=\"apcc74-badge\"\u003e222 Pleats\u003c\/span\u003e\u003cspan class=\"apcc74-badge\"\u003eFree Shipping\u003c\/span\u003e\u003cspan class=\"apcc74-badge\"\u003eAuthorized APC Dealer\u003c\/span\u003e\n    \u003c\/div\u003e\n    \n  \u003c\/section\u003e\n\n  \u003cp class=\"apcc74-intro\"\u003eThe \u003cstrong\u003eAPC APCC7440\u003c\/strong\u003e is a 100 square foot pleated spa filter cartridge built to drop straight into Coast Spas top-load systems and Waterway Plastics 100 sq ft housings. It cross-references the Unicel \u003cstrong\u003eC-5396\u003c\/strong\u003e, Pleatco \u003cstrong\u003ePCST80\u003c\/strong\u003e, Filbur \u003cstrong\u003eFC-2975\u003c\/strong\u003e, and OEM Waterway \u003cstrong\u003e817-0098\u003c\/strong\u003e, so if any of those numbers are on your old element, this one fits. You get \u003cstrong\u003e222 pleats\u003c\/strong\u003e of 3 oz Reemay polyester media and open 2-1\/8 inch end caps, sized at 5 5\/16 inch diameter by 21 5\/16 inch tall.\u003c\/p\u003e\n\n  \u003csection class=\"apcc74-stats\"\u003e\n    \u003cdiv class=\"apcc74-stat\"\u003e\n\u003cdiv class=\"apcc74-stat-value\"\u003e100 sq ft\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat-label\"\u003eFilter Area\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat\"\u003e\n\u003cdiv class=\"apcc74-stat-value\"\u003e222\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat-label\"\u003ePleat Count\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat\"\u003e\n\u003cdiv class=\"apcc74-stat-value\"\u003e21-5\/16\"\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat-label\"\u003eLength\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat\"\u003e\n\u003cdiv class=\"apcc74-stat-value\"\u003e5-5\/16\"\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat-label\"\u003eDiameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat\"\u003e\n\u003cdiv class=\"apcc74-stat-value\"\u003e2-1\/8\"\u003c\/div\u003e\n\u003cdiv class=\"apcc74-stat-label\"\u003eEnd Cap ID\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"apcc74-section\"\u003e\n    \u003ch2\u003eWhy PST Customers Pick This\u003c\/h2\u003e\n    \u003cdiv class=\"apcc74-feature-grid\"\u003e\n      \u003cdiv class=\"apcc74-feature-card\"\u003e\n\u003cdiv class=\"apcc74-emoji\"\u003e🎯\u003c\/div\u003e\n\u003ch5\u003eVerified Cross Reference\u003c\/h5\u003e\n\u003cp\u003eDirect fit for Unicel \u003cstrong\u003eC-5396\u003c\/strong\u003e, Pleatco \u003cstrong\u003ePCST80\u003c\/strong\u003e, Filbur \u003cstrong\u003eFC-2975\u003c\/strong\u003e, and Waterway \u003cstrong\u003e817-0098\u003c\/strong\u003e. Match the number on your old cartridge and order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-feature-card\"\u003e\n\u003cdiv class=\"apcc74-emoji\"\u003e🌊\u003c\/div\u003e\n\u003ch5\u003e100 Sq Ft Of Media\u003c\/h5\u003e\n\u003cp\u003eA full \u003cstrong\u003e100 square feet\u003c\/strong\u003e of pleated surface area means longer runs between cleanings and steady flow to your spa pump.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-feature-card\"\u003e\n\u003cdiv class=\"apcc74-emoji\"\u003e💧\u003c\/div\u003e\n\u003ch5\u003e3 oz Reemay Media\u003c\/h5\u003e\n\u003cp\u003eReusable 3 oz Reemay 2033 polyester fabric in \u003cstrong\u003e222 pleats\u003c\/strong\u003e traps fine debris while staying easy to rinse and reuse season after season.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-feature-card\"\u003e\n\u003cdiv class=\"apcc74-emoji\"\u003e📏\u003c\/div\u003e\n\u003ch5\u003eExact OEM Sizing\u003c\/h5\u003e\n\u003cp\u003eMeasures \u003cstrong\u003e5 5\/16 inch\u003c\/strong\u003e diameter by \u003cstrong\u003e21 5\/16 inch\u003c\/strong\u003e long with open 2-1\/8 inch top and bottom end caps, matching the original Coast Spas and Waterway element.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-feature-card\"\u003e\n\u003cdiv class=\"apcc74-emoji\"\u003e🔧\u003c\/div\u003e\n\u003ch5\u003eTop-Load Friendly\u003c\/h5\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003eCoast Spas top-load (in-line) 100\u003c\/strong\u003e housings. Lifts out and drops back in from the top with no plumbing changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-feature-card\"\u003e\n\u003cdiv class=\"apcc74-emoji\"\u003e🔩\u003c\/div\u003e\n\u003ch5\u003eReinforced Build\u003c\/h5\u003e\n\u003cp\u003eMolded open end caps and a supported center core hold pleat spacing under pressure for consistent filtration and a long service life.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \n\n  \u003csection class=\"apcc74-section\"\u003e\n    \u003ch2\u003eSpecifications\u003c\/h2\u003e\n    \u003cdiv class=\"apcc74-spec-grid\"\u003e\n      \u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eManufacturer\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003eAPC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eModel \/ MPN\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003eAPCC7440\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eSKU\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003ePST-APCC7440\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eProduct Type\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003eSpa Filter Cartridge\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eFilter Area\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003e100 sq ft\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003ePleat Count\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003e222\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eFilter Media\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003e3 oz Reemay 2033 polyester\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eLength\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003e21 5\/16 in (21.3125 in)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eOuter Diameter\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003e5 5\/16 in (5.375 in)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eTop End Cap\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003eOpen, 2-1\/8 in inner diameter\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eBottom End Cap\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003eOpen, 2-1\/8 in inner diameter\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eUnicel Cross Reference\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003eC-5396\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003ePleatco Cross Reference\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003ePCST80\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eFilbur Cross Reference\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003eFC-2975\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eOEM \/ Waterway\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003e817-0098\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eOther References\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003e19932\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apcc74-spec-row\"\u003e\n\u003cspan class=\"apcc74-spec-key\"\u003eFits\u003c\/span\u003e\u003cspan class=\"apcc74-spec-val\"\u003eCoast Spas top-load 100, Waterway Plastics 100 sq ft\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \n  \u003csection class=\"apcc74-section\"\u003e\n    \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \n    \u003cdiv class=\"apcc74-faq-card\"\u003e\n      \u003ch4\u003eWill the APCC7440 fit my spa?\u003c\/h4\u003e\n      \u003cp\u003eIt fits Coast Spas top-load (in-line) 100 systems and Waterway Plastics 100 sq ft housings. The easiest check is the number printed on your current cartridge. If it reads \u003cstrong\u003eC-5396\u003c\/strong\u003e, \u003cstrong\u003ePCST80\u003c\/strong\u003e, \u003cstrong\u003eFC-2975\u003c\/strong\u003e, or \u003cstrong\u003e817-0098\u003c\/strong\u003e, the APCC7440 is a direct replacement.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"apcc74-faq-card\"\u003e\n      \u003ch4\u003eWhat are the exact dimensions?\u003c\/h4\u003e\n      \u003cp\u003eThe cartridge is \u003cstrong\u003e21 5\/16 inch\u003c\/strong\u003e long with a \u003cstrong\u003e5 5\/16 inch\u003c\/strong\u003e outer diameter. Both the top and bottom end caps are open with a 2-1\/8 inch inner diameter, matching the original Coast Spas and Waterway element.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"apcc74-faq-card\"\u003e\n      \u003ch4\u003eIs this the 100 square foot size?\u003c\/h4\u003e\n      \u003cp\u003eYes. The APCC7440 carries a full \u003cstrong\u003e100 square feet\u003c\/strong\u003e of pleated media across \u003cstrong\u003e222 pleats\u003c\/strong\u003e. That is the high-capacity element for these housings, so you get longer intervals between cleanings.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"apcc74-faq-card\"\u003e\n      \u003ch4\u003eCan I rinse and reuse it?\u003c\/h4\u003e\n      \u003cp\u003eYes. The 3 oz Reemay polyester media is reusable. Rinse it with a hose between the pleats every few weeks, soak it in a cartridge cleaner periodically, and replace it once the pleats no longer come clean or the fabric starts to break down.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"apcc74-faq-card\"\u003e\n      \u003ch4\u003eHow often should I replace it?\u003c\/h4\u003e\n      \u003cp\u003eWith regular rinsing, a spa cartridge like this typically lasts 12 to 24 months depending on bather load and water chemistry. Replace it sooner if you see torn pleats, flattened media, or pressure that stays high right after cleaning.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n  \u003c\/section\u003e\n  \n\n  \u003csection class=\"apcc74-cta\"\u003e\n    \u003ch2\u003eOrder the APCC7440 From PST\u003c\/h2\u003e\n    \u003cp\u003eAuthorized APC dealer. 100 sq ft Coast Spas and Waterway replacement cartridge backed by the PST Pool Supplies service team.\u003c\/p\u003e\n    \u003cdiv class=\"apcc74-perks\"\u003e\n      \u003cspan class=\"apcc74-perk\"\u003eFree Shipping\u003c\/span\u003e\u003cspan class=\"apcc74-perk\"\u003e30-Day Returns\u003c\/span\u003e\u003cspan class=\"apcc74-perk\"\u003eQuality Guaranteed\u003c\/span\u003e\u003cspan class=\"apcc74-perk\"\u003eAuthorized APC Dealer\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e\n","brand":"APC","offers":[{"title":"Default Title","offer_id":44083960545345,"sku":"PST-APCC7440","price":48.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/APCC7440_COMPOSITE.jpg?v=1782366067","url":"https:\/\/www.pstpoolsupplies.com\/products\/apc-apcc7440-cartridge-5-5-16-x-21-5-16-100-sq-ft","provider":"PST Pool Supplies","version":"1.0","type":"link"}