{"product_id":"filter-set-for-culligan-h-52-h-53-reverse-osmosis-system","title":"3-Stage Replacement Filter Set for Culligan H-52 \u0026 H-53 Reverse Osmosis System (No Membrane)","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid{grid-template-columns:1fr;}\n  }\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eCulligan Aqua-Cleer Good Water Machine\u003c\/div\u003e\n\u003ch2\u003e3-Stage Replacement Filter Set for \u003cem\u003eCulligan H-52 \u0026amp; H-53\u003c\/em\u003e Systems\u003c\/h2\u003e\n\u003cdiv class=\"ro-tagline\"\u003e5 micron sediment pre-filter, coconut carbon block and inline GAC post-filter. Membrane not included.\u003c\/div\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ 5 Micron Sediment\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Coconut Carbon Block\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Inline GAC Post-Filter\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e✓ Fits H-52 \u0026amp; H-53\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border:2px solid var(--blue,#1565c0);border-radius:var(--radius,12px);background:var(--offwhite,#f2f7fc);padding:18px 22px;margin:0 0 28px;\"\u003e\n\u003cdiv style=\"font-weight:600;letter-spacing:.06em;font-size:12px;color:var(--blue,#1565c0);margin-bottom:6px;\"\u003eQUICK CHECK: WHAT YOU GET AND WHAT IT FITS\u003c\/div\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eIn the box (3 pieces):\u003c\/strong\u003e 1 × 5 micron sediment pre-filter (PureT CAC-SED-5), 1 × 10 micron coconut carbon block (TST Water SC1216110), 1 × Omnipure K2333-JJ inline GAC post-filter with 1\/4\" quick-connect fittings.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Culligan H-52 and H-53 reverse osmosis systems (Aqua-Cleer Good Water Machine).\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eNeed the membrane too?\u003c\/strong\u003e Get the \u003ca href=\"\/products\/filter-set-with-membrane-for-culligan-h-52-h-53-reverse-osmosis-system\"\u003eFilter Set With Membrane for H-52 \u0026amp; H-53\u003c\/a\u003e, or add the \u003ca href=\"\/products\/puret-tw30-cac-36-culligan-compatible-36-gpd-ro-element-membrane\"\u003e36 GPD Culligan-compatible membrane\u003c\/a\u003e on its own.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eHave a different Culligan system?\u003c\/strong\u003e AC-30, AC-15 and AC-50 use different sets. Find your model on our \u003ca href=\"\/collections\/culligan-replacement-filters\"\u003eCulligan replacement filters page\u003c\/a\u003e, or call (714) 541-6600 and we'll match it for you.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThis set replaces all three filter stages on a Culligan \u003cstrong\u003eH-52 or H-53\u003c\/strong\u003e under-sink reverse osmosis system: a \u003cstrong\u003e5 micron sediment pre-filter\u003c\/strong\u003e, a \u003cstrong\u003ecoconut carbon block\u003c\/strong\u003e and an \u003cstrong\u003einline GAC post-filter\u003c\/strong\u003e. It's the routine filter change most systems need every 6 to 12 months, without paying for a membrane you don't need yet.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eWHAT'S INCLUDED\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eThree Filter Stages\u003c\/h3\u003e\n\u003cdiv class=\"ro-feature-grid\"\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e⚪\u003c\/span\u003e\n\u003ch3\u003eStage 1: 5 Micron Sediment\u003c\/h3\u003e\n\u003cp\u003eMeltblown polypropylene pre-filter that catches sand, silt and rust before they reach the carbon and the membrane.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e🔵\u003c\/span\u003e\n\u003ch3\u003eStage 2: Coconut Carbon Block\u003c\/h3\u003e\n\u003cp\u003e10 micron coconut shell carbon block (1.9\" × 11.62\") that reduces chlorine, taste and odor, protecting the membrane from chlorine damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ro-feature-card\"\u003e\n\u003cspan class=\"ro-feat-icon\"\u003e💧\u003c\/span\u003e\n\u003ch3\u003ePost-Filter: Inline GAC\u003c\/h3\u003e\n\u003cp\u003eOmnipure K2333-JJ, 6\" × 2\" coconut shell GAC with 1\/4\" quick-connect ends. Final polish for clean-tasting water at the faucet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eSystem Fit\u003c\/h3\u003e\n\u003cp\u003eMade for Culligan H-52 and H-53 under-sink reverse osmosis systems, part of Culligan's Aqua-Cleer Good Water Machine line. Check the model label on the side or top of your unit before ordering. Replace the sediment and carbon filters every 6 to 12 months and the post-filter about once a year, or sooner if you notice slower flow or a change in taste. Most membranes last 2 to 3 years, depending on water quality.\u003c\/p\u003e\n\u003cp style=\"margin-top:12px;\"\u003e\u003csmall\u003eCompatible aftermarket replacement. Isopure Water is not affiliated with Culligan.\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n","brand":"Culligan","offers":[{"title":"Default Title","offer_id":48243176636587,"sku":"CAC-SED-5 + SC1216110 + K2333-JJ","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/culligan-h52-h53-3-stage-filter-set.jpg?v=1791924979","url":"https:\/\/www.isopurewater.com\/products\/filter-set-for-culligan-h-52-h-53-reverse-osmosis-system","provider":"Isopure Water","version":"1.0","type":"link"}