Home > Product & Innovation > Filtration Science

Filtration Science

Filtration Science

Product & Innovation

:root{--notice-height:44px;--header-height:50px;--navbar-height:80px;--admin-bar:0px}@media (max-width: 991px){:root{--notice-height:48px;--header-height:53px;--navbar-height:54px}}#main.site-main{margin-top:calc(var(--notice-height) + var(--header-height) + var(--navbar-height))}#culligan-notice-banner,#culligan-header-banner,#culligan-wrapper-navbar{position:fixed;left:0;right:0}#culligan-notice-banner{top:var(--admin-bar);z-index:10001}#culligan-header-banner{top:calc(var(--admin-bar) + var(--notice-height));z-index:10000}#culligan-wrapper-navbar{top:calc(var(--admin-bar) + var(--notice-height) + var(--header-height));z-index:9999}img:is([sizes=auto i],[sizes^="auto," i]){contain-intrinsic-size:3000px 1500px}img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important}.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none}:root{--wp--preset--aspect-ratio--square:1;--wp--preset--aspect-ratio--4-3:4/3;--wp--preset--aspect-ratio--3-4:3/4;--wp--preset--aspect-ratio--3-2:3/2;--wp--preset--aspect-ratio--2-3:2/3;--wp--preset--aspect-ratio--16-9:16/9;--wp--preset--aspect-ratio--9-16:9/16;--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,#0693e3 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,#fcb900 0%,#ff6900 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,#ff6900 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:.44rem;--wp--preset--spacing--30:.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0,0,0,.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0,0,0,.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0,0,0,.2);--wp--preset--shadow--outlined:6px 6px 0px -3px #fff,6px 6px #000;--wp--preset--shadow--crisp:6px 6px 0px #000}:where(body){margin:0}:where(.is-layout-flex){gap:.5em}:where(.is-layout-grid){gap:.5em}body .is-layout-flex{display:flex}.is-layout-flex{flex-wrap:wrap;align-items:center}.is-layout-flex>:is(*, div){margin:0}body .is-layout-grid{display:grid}.is-layout-grid>:is(*, div){margin:0}body{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px}:root :where(.wp-element-button, .wp-block-button__link){background-color:#32373c;border-width:0;color:#fff;font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;line-height:inherit;padding-top:calc(.667em + 2px);padding-right:calc(1.333em + 2px);padding-bottom:calc(.667em + 2px);padding-left:calc(1.333em + 2px);text-decoration:none;text-transform:inherit}.has-black-color{color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-color{color:var(--wp--preset--color--white) !important}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important}.has-black-background-color{background-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-background-color{background-color:var(--wp--preset--color--white) !important}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important}.has-black-border-color{border-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-border-color{border-color:var(--wp--preset--color--white) !important}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important}@media (max-width:991px){.max-chat-header{top:-60px !important}#navbarNavDropdown{display:none}#navbarNavDropdown.show{display:block}}#wpcf7-f28343-p24945-o1 .wpcf7-checkbox{display:grid;align-items:center}#wpcf7-f28343-p24945-o1 .wpcf7-checkbox .wpcf7-list-item label{display:inline-block}#wpcf7-f32127-p32124-o1 .wpcf7-checkbox .wpcf7-list-item label,#wpcf7-f28343-p27812-o1 .wpcf7-checkbox .wpcf7-list-item label{display:inline-block}@media (min-width:991px){#wpcf7-f32127-p32124-o1 .wpcf7-checkbox,#wpcf7-f28343-p27812-o1 .wpcf7-checkbox{display:grid;grid-template-columns:1fr 1fr;align-items:center}#wpcf7-f32127-p32124-o1 .wpcf7-checkbox .wpcf7-list-item label,#wpcf7-f28343-p27812-o1 .wpcf7-checkbox .wpcf7-list-item label{display:inline-block;display:grid;grid-template-columns:0fr 1fr;align-items:center}}body.page-id-499238 .dynamic-product-features-module-wrapper a.btn.btn-primary{display:none}body.page-id-499290 .dynamic-product-listing-module-card-wrapper a{pointer-events:none}body.page-id-499290 .dynamic-product-listing-module-wrapper span.btn.btn-link.arrow{display:none}body.page-id-237847 .hero-module-wrapper .countdown-wrapper,body.page-id-518 .hero-module-wrapper .countdown-wrapper,body.page-id-373 .hero-module-wrapper .countdown-wrapper{display:none}@media (min-width: 1025px){#culligan-wrapper-navbar nav .navbar-collapse li.dropdown .custom-dropdown-menu .mega-menu-style-1 .dropdown-item .sub-item-content-wrapper .sub-item--text{display:none !important}}@media (max-width: 767px){.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-product-listing-module-card-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper),.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-product-listing-filter-card-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper){height:250px !important;min-height:250px !important;max-height:250px !important;margin-bottom:16px !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-product-listing-module-card:not(.dynamic-promo-listing-filter-module-card-wrapper),.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-product-listing-filter-card:not(.dynamic-promo-listing-filter-module-card-wrapper){flex-direction:row !important;align-items:stretch !important;height:250px !important;overflow:hidden !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-product-listing-module-card-image-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper),.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-product-listing-filter-card-image-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper){width:45% !important;min-width:45% !important;flex-shrink:0 !important;min-height:250px !important;max-height:250px !important;align-self:stretch !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-product-listing-module-card-image-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper) img,.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-product-listing-filter-card-image-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper) img{width:auto !important;height:250px !important;max-height:250px !important;max-width:100% !important;object-fit:contain !important;vertical-align:bottom !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-product-listing-module-card-content-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper),.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-product-listing-filter-card-content-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper){width:55% !important;min-width:0 !important;padding:14px 12px !important;display:flex !important;flex-direction:column !important;justify-content:space-between !important;height:250px !important;overflow:hidden !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-listing-bullet-point-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper),.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-listing-bullet-point-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper){display:none !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-product-listing-title:not(.dynamic-promo-listing-filter-module-card-wrapper),.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-product-listing-title:not(.dynamic-promo-listing-filter-module-card-wrapper){order:1 !important;margin-bottom:6px !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .product-details-filter-wrapper-v3-temps:not(.dynamic-promo-listing-filter-module-card-wrapper),.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .product-details-filter-wrapper-v3-temps:not(.dynamic-promo-listing-filter-module-card-wrapper){order:2 !important;margin-bottom:0 !important;overflow:hidden !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .product-details-filter-wrapper-v3-temps:not(.dynamic-promo-listing-filter-module-card-wrapper) .product-details-body,.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .product-details-filter-wrapper-v3-temps:not(.dynamic-promo-listing-filter-module-card-wrapper) .product-details-body{gap:3px !important;flex-direction:column !important;flex-wrap:nowrap !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-product-listing-module-card-content-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper) .product-strapline,.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-product-listing-filter-card-content-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper) .product-strapline{order:3 !important;margin-top:auto !important;margin-bottom:0 !important;margin-right:0 !important;align-self:flex-start !important;display:inline-flex !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-listing-input-btn-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper),.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-listing-input-btn-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper){order:3 !important;display:flex !important;align-items:center !important;justify-content:flex-end !important;margin-top:auto !important;flex-shrink:0 !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-listing-input-btn-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper) span.btn,.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-listing-input-btn-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper) span.btn{font-size:0 !important;padding-left:0 !important;padding-right:0 !important;min-width:unset !important;margin-left:0 !important}.dynamic-product-listing-module-wrapper.mobile-cards-ab-test .dynamic-listing-input-btn-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper) span.btn::after,.dynamic-product-listing-filter-wrapper.mobile-cards-ab-test .dynamic-listing-input-btn-wrapper:not(.dynamic-promo-listing-filter-module-card-wrapper) span.btn::after{font-size:1rem !important}}@media (max-width: 880px){.secondary-nav-wrapper.mobile-phone-icon-ab-test .secondary-nav-items-wrapper{gap:8px}.secondary-nav-wrapper.version-3.mobile-phone-icon-ab-test nav .btn-side .text-before-button-wrapper{display:inline-flex !important}.secondary-nav-wrapper.version-3.mobile-phone-icon-ab-test nav .btn-side .text-before-button-wrapper a.btn{font-size:0 !important;padding:0 !important;background:transparent !important;border:none !important;box-shadow:none !important;min-width:unset !important;color:transparent !important}.secondary-nav-wrapper.version-3.mobile-phone-icon-ab-test nav .btn-side .text-before-button-wrapper a[href^="tel:"]{width:44px !important;height:44px !important}.secondary-nav-wrapper.version-3.mobile-phone-icon-ab-test nav .btn-side .text-before-button-wrapper a.btn::before{margin-right:0 !important;width:30px !important;height:30px !important}}.ab-pa-msg-hidden{visibility:hidden;height:0 !important;min-height:0 !important;padding:0 !important;margin:0 !important;overflow:hidden;position:absolute}@media (min-width: 992px){.hero-module-wrapper.version-7.text-white .special-offer-container{color:initial !important}}