{"product_id":"waterdrop-7990-gravity-water-filter","title":"Black Elements \u0026 Fluoride Filters Replacement for Waterdrop King Tank Systems and Other Gravity-fed Filtration Systems","description":"\u003cdiv class=\"get-certified-info\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"get-product-feature\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv id=\"productDescription\"\u003e\n\u003cdiv class=\"blocks-box\"\u003e\n\u003cdiv class=\"blocks-item blocks-item-opposite\"\u003e\n\u003cdiv class=\"blocks-item-img\"\u003e\u003cimg alt=\"Full compatibility\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/wd-countertop-7990-img2.jpg?v=1623400486\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/wd-countertop-7990-img2.jpg?v=1623400486\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"blocks-item-text\"\u003e\n\u003cdiv class=\"product-details-title\"\u003eProfessional Design\u003c\/div\u003e\n\u003cdiv class=\"product-details-title-p\"\u003eAs an ideal system for home, traveling, outdoor activities and emergencies, the filter can provide you with clean and quality water at home and outdoors.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"blocks-item\"\u003e\n\u003cdiv class=\"blocks-item-text\"\u003e\n\u003cdiv class=\"product-details-title\"\u003eSimple Installation\u003c\/div\u003e\n\u003cdiv class=\"product-details-title-p\"\u003eAll you need to do is to connect the black filter with the white filter, saving your time and effort.\u003cbr\u003e Compatible with: Black Replacement Filters (BB9-2) \u0026amp; Fluoride Filter Combo Pack (PF-2\u003cspan data-mce-fragment=\"1\"\u003e®\u003c\/span\u003e). Interchangeable with Travel, Big, Royal, Imperial and Crown Series and Gravity filter system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"blocks-item-img\"\u003e\u003cimg alt=\"Same performance but a lower cost\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/wd-countertop-7990-img3.jpg?v=1623400486\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/wd-countertop-7990-img3.jpg?v=1623400486\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"blocks-item blocks-item-opposite\"\u003e\n\u003cdiv class=\"blocks-item-img\"\u003e\u003cimg alt=\"Full compatibility\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/wd-countertop-7990-img4.jpg?v=1623400486\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/wd-countertop-7990-img4.jpg?v=1623400486\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"blocks-item-text\"\u003e\n\u003cdiv class=\"product-details-title\"\u003eAffordable And Effective\u003c\/div\u003e\n\u003cdiv class=\"product-details-title-p\"\u003eReasonable supply without compromising quality. Our supply is less than half of the name brand, allowing you to enjoy clean and fresh water while saving money.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"blocks-item\"\u003e\n\u003cdiv class=\"blocks-item-text\"\u003e\n\u003cdiv class=\"product-details-title\"\u003eBetter Water For Your Family\u003c\/div\u003e\n\u003cdiv class=\"product-details-title-p\"\u003eTo protect your family, Waterdrop provides quality, safe and great-tasting drinking water for you and your loved ones.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"blocks-item-img\"\u003e\u003cimg alt=\"Same performance but a lower cost\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/wd-countertop-7990-img5.jpg?v=1623400486\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0078\/6156\/7570\/files\/wd-countertop-7990-img5.jpg?v=1623400486\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"faq\" class=\"faqpage\"\u003e\n\u003cdiv id=\"section2\" class=\"accordion\"\u003e\n\u003ch2\u003eDo the waterdrop replacement filters fit with the original brand?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eWaterdrop 7990 water filter can perfectly fit the original brand.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"section2\" class=\"accordion\"\u003e\n\u003ch2\u003eWhat are the Waterdrop WD-7990 replacement made of?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eThe filter uses natural coconut shell activated carbon and food-grade fluoride remover with the BPA free housing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"section2\" class=\"accordion\"\u003e\n\u003ch2\u003eWhat does WD-7990 water filter out?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eIt is safe and efficient to remove harmful contaminants such as chlorine, fluoride, odor, sediment and large particles.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"section3\" class=\"accordion\"\u003e\n\u003ch2\u003eDoes the WD-7990 water filter remove lithium?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eNo. It is our understanding that Lithium is a mineral. The WD-7990 Purification Elements do NOT remove minerals.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"section3\" class=\"accordion\"\u003e\n\u003ch2\u003eDo the WD-7990 filters reduce fluoride in the water?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eYes, the WD-7990 Purification Elements can initially reduce Fluoride up to 99.9%. However, the efficiency of removing Fluoride begins to lose after a few hundred gallons.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"section3\" class=\"accordion\"\u003e\n\u003ch2\u003eWhy does my filtered water have a bad taste?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eGenerally, the reason for having a bad taste in your filtered water is coming from not having enough priming filters. The bad taste is from process dust that may have remained from the initial priming process. Please try priming your filters a couple of more times throughout.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"section3\" class=\"accordion\"\u003e\n\u003ch2\u003eHow long does a WD-7990 filters last?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eEach set of two PF-2® filters should be replaced after approx. 1,000 gallons, while PF-2® filters should be replaced after (1,000\/5), or 200 days if you have a two filter you used 5 gallons of water per day. Then, they should be replaced about every 6 months.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"section3\" class=\"accordion\"\u003e\n\u003ch2\u003eDoes the Waterdrop water filter remove Chloramine?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eYes, Waterdrop WD-7990 replacement filters do remove Chloramine.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"section3\" class=\"accordion\"\u003e\n\u003ch2\u003eHow does the filter element in the original system deal with viruses?\u003c\/h2\u003e\n\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eThe micro fine pores are small, micro fine particulates such as bacteria, viruses and even food coloring particulate are prevented from passing through the tortuous path. These contaminants are trapped in the micro fine pores while the much smaller H2O molecules are not.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"spec\"\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cdiv\u003e\n\u003cpre class=\"label\"\u003eModel\u003c\/pre\u003e\n\u003cpre class=\"spec-content\"\u003eWD-7990\u003c\/pre\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cdiv\u003e\n\u003cpre class=\"label\"\u003eTemperature\u003c\/pre\u003e\n\u003cpre class=\"spec-content\"\u003e38-100 °F \/ 0.6-38 °C\u003c\/pre\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cdiv\u003e\n\u003cpre class=\"label\"\u003eFilter capacity\u003c\/pre\u003e\n\u003cpre class=\"spec-content\"\u003eBB9-2 filter every 6,000 gallons， PF-2® every 1,000 gallons per pair\u003c\/pre\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"howItWork\" class=\"faqpage\"\u003e\n\u003cdiv class=\"product-details-small-title\"\u003eThe Waterdrop WD-7990 is compatible with following model numbers:\u003c\/div\u003e\n\u003cdiv id=\"compatible2\" class=\"compatible-accordion\"\u003eBerkey\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eBB9-2 \u0026amp; PF-2®\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"compatible2\" class=\"compatible-accordion\"\u003eOther Brands\u003cspan class=\"icon-plus\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-container\"\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"faqpage-content-text\"\u003eBig Berkey, Boroux Purifier Filters, Waterdrop WD-7990, AQUACREST AQU-7990, Filterlogic 7990, Waterspecialist 7990, Maxblue MB-7990.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 0.8em; line-height: 1.1; color: #666666; margin-top: 50px;\" data-mce-style=\"font-size: 0.8em; line-height: 1.1; color: #666666; margin-top: 50px;\"\u003e*The following claims have not been tested and certified by NSF: compatibility claims.\u003cbr\u003eThe above statement is accordance with the NSF General Policy 25. Please note the certification information is only applicable to Waterdrop, not representing other brands on this page.\u003cbr\u003e\u003cbr\u003e**The above brands do not source or sponsor the water filter. The manufacturers' names and model numbers have been used for reference purposes only.\u003cbr\u003eThe manufacturer is HongKong Ecoaqua Co., Limited. Made in P.R.C\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript type=\"text\/javascript\"\u003e\n    \/\/ \u003c![CDATA[\n    $(document).ready(function () {\n        $('.compatible-accordion').accordion({\n            defaultOpen: 'compatible1',\n            cookieName: 'compatible_nav'\n        });\n        $('.accordion').accordion({\n            defaultOpen: 'section1',\n            cookieName: 'accordion_nav'\n        });\n    });\n    \/\/ ]]\u003e\n\u003c\/script\u003e","brand":"Waterdrop","offers":[{"title":"1 Set - $86.99","offer_id":51861646868844,"sku":"WD-7990-1","price":86.99,"currency_code":"USD","in_stock":true},{"title":"2 Set - $169.98 ($ 84.99 each)","offer_id":51861646901612,"sku":"WD-7990-2","price":169.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0904\/6759\/8700\/files\/waterdrop-7990-1.png?v=1740526690","url":"https:\/\/test.waterdropfilter.com\/products\/waterdrop-7990-gravity-water-filter","provider":"New Test Store","version":"1.0","type":"link"}