{"product_id":"filbur-pc1920-cartridge-7-7-8-x-11-1-8-50-sq-ft","title":"Filbur FC-1920 50 Sq Ft Pool Filter Cartridge (PC1920)","description":"\n\u003cstyle\u003e\n  .fc1920-wrap, .fc1920-wrap * { box-sizing: border-box; }\n  .fc1920-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  .fc1920-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  .fc1920-hero h1 { font-size: 2em; margin: 0 0 8px; font-weight: 800; letter-spacing: -0.02em; }\n  .fc1920-tagline { font-size: 1.1em; opacity: 0.95; margin: 0 0 18px; }\n  .fc1920-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }\n  .fc1920-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  .fc1920-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  .fc1920-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  .fc1920-stat { text-align: center; }\n  .fc1920-stat-value { font-size: 1.5em; font-weight: 800; color: #b6dd7e; }\n  .fc1920-stat-label { font-size: 0.78em; opacity: 0.85; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 4px; }\n\n  \/* Section headings *\/\n  .fc1920-section { margin-bottom: 36px; }\n  .fc1920-section \u003e h2 { font-size: 1.5em; margin: 0 0 18px; text-align: center; color: #1a4d2e; }\n\n  \/* Feature card grid *\/\n  .fc1920-feature-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));\n    gap: 16px;\n  }\n  .fc1920-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  .fc1920-feature-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(26,77,46,0.14); }\n  .fc1920-emoji { font-size: 1.8em; }\n  .fc1920-feature-card h5 { margin: 10px 0 6px; font-size: 1.05em; color: #1a1a1a; }\n  .fc1920-feature-card p { margin: 0; color: #444; font-size: 0.95em; }\n\n  \/* Warning *\/\n  .fc1920-warning {\n    background: #fff7e0;\n    border-left: 5px solid #f5a623;\n    border-radius: 10px;\n    padding: 18px 22px;\n    margin-bottom: 36px;\n  }\n  .fc1920-warning h4 { margin: 0 0 6px; color: #8a5b00; font-size: 1.05em; }\n  .fc1920-warning p { margin: 0; color: #5a3d00; font-size: 0.95em; }\n\n  \/* Spec grid *\/\n  .fc1920-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  .fc1920-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  .fc1920-spec-key { font-weight: 600; color: #1a4d2e; }\n  .fc1920-spec-val { color: #1a1a1a; text-align: right; }\n\n  \/* FAQ *\/\n  .fc1920-faq-card {\n    background: #fff;\n    border: 1px solid #e1e6ed;\n    border-radius: 10px;\n    padding: 18px 22px;\n    margin-bottom: 12px;\n  }\n  .fc1920-faq-card h4 { margin: 0 0 6px; color: #1a4d2e; font-size: 1.02em; }\n  .fc1920-faq-card p { margin: 0; color: #333; font-size: 0.95em; }\n\n  \/* CTA *\/\n  .fc1920-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  .fc1920-cta h2 { font-size: 1.6em; margin: 0 0 8px; }\n  .fc1920-cta p { margin: 0 0 18px; font-size: 1em; opacity: 0.95; }\n  .fc1920-perks { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }\n  .fc1920-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    .fc1920-hero h1 { font-size: 1.5em; }\n    .fc1920-stats { grid-template-columns: repeat(2, 1fr); }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"fc1920-wrap\"\u003e\n\n  \u003csection class=\"fc1920-hero\"\u003e\n    \u003ch1\u003eFilbur FC-1920 50 Sq Ft Pool Filter Cartridge\u003c\/h1\u003e\n    \u003cp class=\"fc1920-tagline\"\u003eClean water for your Mytilus FMY 50.\u003c\/p\u003e\n    \n    \u003cdiv class=\"fc1920-badges\"\u003e\n      \u003cspan class=\"fc1920-badge\"\u003e50 Sq Ft Media\u003c\/span\u003e\u003cspan class=\"fc1920-badge\"\u003eDirect OEM Fit\u003c\/span\u003e\u003cspan class=\"fc1920-badge\"\u003eFree Shipping\u003c\/span\u003e\u003cspan class=\"fc1920-badge\"\u003eAuthorized Filbur Dealer\u003c\/span\u003e\n    \u003c\/div\u003e\n    \n  \u003c\/section\u003e\n\n  \u003cp class=\"fc1920-intro\"\u003eThe \u003cstrong\u003eFilbur FC-1920\u003c\/strong\u003e (SKU PST-PC1920) is a 50 square foot replacement filter cartridge built to drop straight into your Pentair PacFab Mytilus FMY 50 filter housing. It measures \u003cstrong\u003e7-7\/8\" wide by 11-1\/8\" tall\u003c\/strong\u003e with open 3-1\/16\" ends top and bottom, so it seats exactly where your worn-out cartridge came out. Restore full flow and crystal clear water without paying for the OEM part number.\u003c\/p\u003e\n\n  \u003csection class=\"fc1920-stats\"\u003e\n    \u003cdiv class=\"fc1920-stat\"\u003e\n\u003cdiv class=\"fc1920-stat-value\"\u003e50 sq ft\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat-label\"\u003eFilter Area\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat\"\u003e\n\u003cdiv class=\"fc1920-stat-value\"\u003e7-7\/8\"\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat-label\"\u003eOuter Diameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat\"\u003e\n\u003cdiv class=\"fc1920-stat-value\"\u003e11-1\/8\"\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat-label\"\u003eLength\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat\"\u003e\n\u003cdiv class=\"fc1920-stat-value\"\u003e152\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat-label\"\u003ePleat Count\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat\"\u003e\n\u003cdiv class=\"fc1920-stat-value\"\u003e3-1\/16\"\u003c\/div\u003e\n\u003cdiv class=\"fc1920-stat-label\"\u003eOpen End ID\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"fc1920-section\"\u003e\n    \u003ch2\u003eWhy PST Customers Pick This\u003c\/h2\u003e\n    \u003cdiv class=\"fc1920-feature-grid\"\u003e\n      \u003cdiv class=\"fc1920-feature-card\"\u003e\n\u003cdiv class=\"fc1920-emoji\"\u003e🎯\u003c\/div\u003e\n\u003ch5\u003eExact Mytilus FMY 50 Fit\u003c\/h5\u003e\n\u003cp\u003eEngineered to the same 7-7\/8\" x 11-1\/8\" footprint as the original cartridge in the \u003cstrong\u003ePentair PacFab Triton Mytilus FMY 50\u003c\/strong\u003e, so it slides in and seals without spacers or trimming.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-feature-card\"\u003e\n\u003cdiv class=\"fc1920-emoji\"\u003e🌊\u003c\/div\u003e\n\u003ch5\u003eFull 50 Sq Ft Of Media\u003c\/h5\u003e\n\u003cp\u003eA full 50 square feet of pleated filter fabric across \u003cstrong\u003e152 pleats\u003c\/strong\u003e catches dirt, oils, and fine debris, then rinses clean with a garden hose for repeat use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-feature-card\"\u003e\n\u003cdiv class=\"fc1920-emoji\"\u003e🛡️\u003c\/div\u003e\n\u003ch5\u003eBonded Polyurethane Caps\u003c\/h5\u003e\n\u003cp\u003eThermally bonded polyurethane end caps lock the pleat pack to the core so the cartridge holds its shape under pump pressure and won't blow out at the seam.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-feature-card\"\u003e\n\u003cdiv class=\"fc1920-emoji\"\u003e⚙️\u003c\/div\u003e\n\u003ch5\u003eReinforced PVC Core\u003c\/h5\u003e\n\u003cp\u003eA punched PVC center core keeps water moving freely through the inside of the cartridge and resists collapse, even as the pleats load up between cleanings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-feature-card\"\u003e\n\u003cdiv class=\"fc1920-emoji\"\u003e🔧\u003c\/div\u003e\n\u003ch5\u003eOpen Both Ends\u003c\/h5\u003e\n\u003cp\u003eBoth the top and bottom end caps are open with a \u003cstrong\u003e3-1\/16\" inside diameter\u003c\/strong\u003e, matching the original sleeve-over-standpipe mounting in your FMY 50 tank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-feature-card\"\u003e\n\u003cdiv class=\"fc1920-emoji\"\u003e💧\u003c\/div\u003e\n\u003ch5\u003eCross-References Made Easy\u003c\/h5\u003e\n\u003cp\u003eReplaces Pleatco PC-1920 \/ PFAB50, Unicel C-7678, Aladdin 15009, and Pentair 17-4981, so any of those numbers on your old cartridge points right here.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \n\n  \u003csection class=\"fc1920-section\"\u003e\n    \u003ch2\u003eSpecifications\u003c\/h2\u003e\n    \u003cdiv class=\"fc1920-spec-grid\"\u003e\n      \u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eManufacturer\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003eFilbur\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eModel \/ MPN\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003eFC-1920\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eSKU\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003ePST-PC1920\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eFilter Surface Area\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003e50 sq ft\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eOuter Diameter\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003e7-7\/8 in\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eLength\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003e11-1\/8 in\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eTop End Cap\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003eOpen, 3-1\/16 in inside diameter\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eBottom End Cap\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003eOpen, 3-1\/16 in inside diameter\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003ePleat Count\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003e152\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eFilter Media\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003e4 oz pleated polyester fabric\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eEnd Caps\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003eThermally bonded polyurethane\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eCore\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003ePunched PVC center tube\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eFits Filter Model\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003ePentair \/ PacFab Triton Mytilus FMY 50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003ePleatco Cross\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003ePC-1920 \/ PFAB50\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eUnicel Cross\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003eC-7678\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eAladdin Cross\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003e15009\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003ePentair \/ PacFab Cross\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003e17-4981 (174981) \/ R173297\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fc1920-spec-row\"\u003e\n\u003cspan class=\"fc1920-spec-key\"\u003eType\u003c\/span\u003e\u003cspan class=\"fc1920-spec-val\"\u003ePool \u0026amp; spa replacement filter cartridge\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \n  \u003csection class=\"fc1920-section\"\u003e\n    \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \n    \u003cdiv class=\"fc1920-faq-card\"\u003e\n      \u003ch4\u003eWhich filter does the FC-1920 fit?\u003c\/h4\u003e\n      \u003cp\u003eIt is the replacement cartridge for the \u003cstrong\u003ePentair \/ PacFab Triton Mytilus FMY 50\u003c\/strong\u003e filter. If your cartridge measures 7-7\/8\" across and 11-1\/8\" tall with open 3-1\/16\" ends, this is the correct part.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"fc1920-faq-card\"\u003e\n      \u003ch4\u003eWhat part numbers does this cartridge replace?\u003c\/h4\u003e\n      \u003cp\u003eIt cross-references to \u003cstrong\u003ePleatco PC-1920 and PFAB50, Unicel C-7678, Filbur FC-1920, Aladdin 15009, and Pentair 17-4981 (174981)\u003c\/strong\u003e. Any of those numbers printed on your old cartridge means this one will fit.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"fc1920-faq-card\"\u003e\n      \u003ch4\u003eHow many of these do I need for my filter?\u003c\/h4\u003e\n      \u003cp\u003eThe Mytilus FMY 50 uses a \u003cstrong\u003esingle 50 sq ft cartridge\u003c\/strong\u003e. Order one per filter tank. If you have the larger Mytilus MY-150, that unit uses a different cartridge, so confirm your model before ordering.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"fc1920-faq-card\"\u003e\n      \u003ch4\u003eIs this a reusable cartridge?\u003c\/h4\u003e\n      \u003cp\u003eYes. Rinse the pleats with a garden hose when pressure climbs about \u003cstrong\u003e8 to 10 PSI\u003c\/strong\u003e over the clean starting pressure. Most cartridges last one to three seasons before the media wears out and needs replacing.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv class=\"fc1920-faq-card\"\u003e\n      \u003ch4\u003eCan I install this myself?\u003c\/h4\u003e\n      \u003cp\u003eYes. Shut off the pump, relieve pressure at the air bleed, open the tank, lift out the old cartridge, drop the new one over the standpipe, then reseal and restart. No tools beyond a hose are required for a basic swap.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n  \u003c\/section\u003e\n  \n\n  \u003csection class=\"fc1920-cta\"\u003e\n    \u003ch2\u003eOrder The Filbur FC-1920 From PST\u003c\/h2\u003e\n    \u003cp\u003eAuthorized Filbur dealer. Backed by the PST Pool Supplies service team.\u003c\/p\u003e\n    \u003cdiv class=\"fc1920-perks\"\u003e\n      \u003cspan class=\"fc1920-perk\"\u003eFree Shipping\u003c\/span\u003e\u003cspan class=\"fc1920-perk\"\u003e30-Day Returns\u003c\/span\u003e\u003cspan class=\"fc1920-perk\"\u003eWarranty Backed\u003c\/span\u003e\u003cspan class=\"fc1920-perk\"\u003eAuthorized Filbur Dealer\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e\n","brand":"Filbur","offers":[{"title":"Default Title","offer_id":44083960512577,"sku":"PST-PC1920","price":36.4,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.pstpoolsupplies.com\/products\/filbur-pc1920-cartridge-7-7-8-x-11-1-8-50-sq-ft","provider":"PST Pool Supplies","version":"1.0","type":"link"}