{"product_id":"pioneer-arsenic-replacement-cartridge","title":"Pioneer Arsenic Replacement Cartridge (ATOMUS F11)","description":"\u003cdiv class=\"product-description-seo\"\u003e\n\u003ch2\u003ePioneer Arsenic Replacement Cartridge (ATOMUS F11)\u003c\/h2\u003e\n\n\u003cp\u003eGenuine \u003cstrong\u003eATOMUS F11 arsenic cartridge\u003c\/strong\u003e (part number CT-5020-0640RD-F11) for the Enpress PIONEER 8\" x 40\" cartridge tank - the replacement cartridge for our \u003ca href=\"\/products\/pioneer-arsenic-removal-system\"\u003ePioneer Arsenic Removal System\u003c\/a\u003e, both the standard bypass tank and metered tank versions.\u003c\/p\u003e\n\n\u003cp\u003eATOMUS F11 is a \u003cstrong\u003ebinary mixed metal adsorption media\u003c\/strong\u003e in powder form. The powder format gives it far more surface area than granular arsenic medias, letting it capture arsenic in under 30 seconds of contact time (versus 3-5 minutes for granular media) - which is exactly what makes the non-backwashing PIONEER cartridge design possible. It removes \u003cstrong\u003eboth Arsenic III (arsenite) and Arsenic V (arsenate) simultaneously\u003c\/strong\u003e, with no chemical pre-oxidation, no air-injection valve, and no backwashing.\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Cartridge\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemoves both forms of arsenic\u003c\/strong\u003e - As III and As V together, no pre-oxidation required. Most arsenic medias only handle As V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNSF\/ANSI 61 certified media\u003c\/strong\u003e - certified for drinking water use. As installed in the complete Pioneer system, performance is tested to NSF\/ANSI 53: 0.050 mg\/L arsenic reduced below the EPA limit of 0.010 mg\/L (10 ppb) for \u003cstrong\u003e125,000 gallons at 7 GPM\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-leachable arsenic bond\u003c\/strong\u003e - captured arsenic stays captured. The spent cartridge passes the USEPA TCLP and California WET tests, so it's safe for normal landfill disposal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide pH window\u003c\/strong\u003e - effective from pH 5.5 to 9.5, a wider range than any other arsenic adsorption media, and more resistant to silica, phosphate, and vanadium interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-ring change, no tools\u003c\/strong\u003e - press the pressure-relief button, pull the snap ring, swap the cartridge, flush 10 minutes. Done.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cp\u003eThe cartridge is rated for \u003cstrong\u003e125,000 gallons\u003c\/strong\u003e of arsenic reduction. For a typical household using 200-300 gallons per day, that's roughly \u003cstrong\u003e12-20 months\u003c\/strong\u003e of service. If you have the metered tank version, the LED umbrella cap counts gallons and signals as the cartridge nears capacity. If you have the standard bypass tank, replace on a schedule based on your daily usage - and either way, test your treated water for arsenic annually, because arsenic breakthrough is invisible, tasteless, and odorless.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eFits any Enpress PIONEER 8\" x 40\" cartridge tank. This is \u003cstrong\u003enot\u003c\/strong\u003e a Big Blue cartridge and does not fit standard 4.5\" x 20\" filter housings. If you're not sure which tank you have, call or text Aidan at \u003cstrong\u003e800-460-5810\u003c\/strong\u003e with a photo and he'll confirm before you order.\u003c\/p\u003e\n\n\u003cp\u003eNew to arsenic treatment? Read our complete guide to \u003ca href=\"\/blogs\/guides\/arsenic-in-well-water\"\u003earsenic in well water\u003c\/a\u003e, or start with a \u003ca href=\"\/products\/well-water-test-kit\"\u003ewell water test kit\u003c\/a\u003e to find out exactly what's in your water.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFree shipping. 7-day-a-week support. Real water treatment specialists with 30+ years of experience.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Enpress","offers":[{"title":"Default Title","offer_id":54192233546012,"sku":"CT-5020-0640RD-F11","price":895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9523\/4605\/files\/pioneer-arsenic-replacement-cartridge-atomus-f11.jpg?v=1781117431","url":"https:\/\/midatlanticwater.net\/products\/pioneer-arsenic-replacement-cartridge","provider":"Mid Atlantic Water","version":"1.0","type":"link"}