{"product_id":"everpure-300-05855-ma-q15-replacement-cartridge-for-bws350-ro","title":"Everpure 300-05855 | MA-Q15 Replacement Cartridge for BWS350 RO | 1 Pack","description":"\u003cp\u003eEverpure 300-05855 (MA-Q15) is a Qwik-Twist mineral cartridge that adds calcium and magnesium to buffer the aggressive nature of RO water, ideal for RO drinking water systems.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eKey Specifications:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-family:Arial, sans-serif; font-size:14px;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eBWS350, OP350, BWS1500 RO Systems\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eReplace every 6 months\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eContaminants Filtered\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eN\/A (adds calcium and magnesium minerals)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eOperating Conditions\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e35–100°F; 10–125 PSI\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eNumber of Filters\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e1-Pack\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eWhy Choose the Everpure 300-05855 (MA-Q15)?\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBalanced Mineral Content:\u003c\/strong\u003e Pentair 300-05855 adds minerals, including calcium and magnesium, to RO water. This helps buffer its aggressive nature for better-balanced drinking water.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick, Sanitary Changes:\u003c\/strong\u003e The Qwik-Twist connection makes cartridge replacement fast, easy, and sanitary, which reduces downtime during routine maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad System Fit:\u003c\/strong\u003e Designed for BWS350, OP350, and BWS1500 RO systems, so it is a straightforward replacement for those units.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Operating Range:\u003c\/strong\u003e Handles 10–125 PSI (non-shock) and 35–100°F cold water feed, which suits typical commercial RO installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How Often Should the Everpure 300-05855 (MA-Q15) Filter Be Replaced?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Replace the cartridge every six months as part of a regular preventative maintenance program. Replace it sooner if its capacity is reached or the flow becomes too slow. No gallon capacity rating is specified for this cartridge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How Can I Maximize the Filter's Lifespan?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Use a cold water feed only and stay within the 35–100°F temperature range and the 10–125 PSI non-shock pressure range. Flush the cartridge at installation and at every cartridge change. Allow 3\" of clearance below the system for housing removal, and log each replacement date so changes stay on schedule. Do not run unsafe or unknown-quality water through the system without adequate disinfection before or after the cartridge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What Contaminants Does Everpure 300-05855 (MA-Q15) Filter Remove?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This cartridge is not designed to remove contaminants. It adds a balance of minerals, including calcium and magnesium, to buffer the aggressive nature of Reverse Osmosis (RO) water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What Certifications Does This Filter Have?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No NSF\/ANSI certifications are listed for Pentair 300-05855. Everpure replaceable elements are covered by a limited warranty against defects in material and workmanship for one year after the date of purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is This a Genuine Filter? Is BottleFillingStations.com an Authorized Everpure Distributor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, this is a genuine Everpure 300-05855 (MA-Q15) filter so it will perform per manufacturer's standards and come included with a warranty. BottleFillingStations.com is an authorized Everpure distributor.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cdiv id=\"W3TucRPBpqQA9ARvwg6ni-content\"\u003e\n  \u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNOTICE:\u003c\/strong\u003e Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ci\u003e\"Hydrate Everyone, Everywhere!\"  BottleFillingStations.com |\n\u003ca rel=\"noopener\" href=\"https:\/\/bottlefillingstations.com\/pages\/contact-us\" target=\"_blank\"\u003eContact us\u003c\/a\u003e\u003c\/i\u003e\u003c\/p\u003e","brand":"Pentair Everpure","offers":[{"title":"Default Title","offer_id":44054894313535,"sku":"300-05855","price":91.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/0985\/files\/300-05855-ma-q15-161x732.png?v=1791138708","url":"https:\/\/bottlefillingstations.com\/products\/everpure-300-05855-ma-q15-replacement-cartridge-for-bws350-ro","provider":"BottleFillingStations.com","version":"1.0","type":"link"}