{"product_id":"sub-zero-4204490-water-filter-7042798-air-cartridge-combo","title":"Sub-Zero 4204490 Water Filter \u0026 7042798 Air Purification Cartridge Combo Pack","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eKeep your compatible Sub-Zero refrigerator's water filtration and air purification systems maintained with the \u003c\/span\u003eSub-Zero 4204490 Water Filter and 7042798 Air Purification Cartridge Combo Pack\u003cspan\u003e. This convenient replacement set includes one refrigerator water filter and one air purification cartridge, helping you replace both components in a single order. The 4204490 water filter helps reduce chlorine taste and odor and filters particulates from water, while the 7042798 air purification cartridge works with the refrigerator's built-in air purification system to help manage ethylene gas and odors. Designed for compatible Sub-Zero Classic, Designer, and selected PRO refrigerators, this combo pack offers a practical way to plan routine filter maintenance. Before ordering, confirm that your refrigerator uses both part numbers to help ensure the correct fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sub-Zero\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Refrigerator water filter and air purification cartridge combo pack\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWater Filter Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4204490\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAir Purification Cartridge Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7042798\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2 cartridges total\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWater Filter Function:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps reduce chlorine taste and odor and filters particulates\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAir Cartridge Function:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps manage ethylene gas and odors inside compatible refrigerators\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWater Filter Replacement Interval:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Up to one year, depending on usage and the manufacturer's guidance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAir Cartridge Replacement Interval:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 12 months, following the appliance's instructions\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCompatible Appliances:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Selected Sub-Zero Classic, Designer, and PRO refrigerators that use both cartridges\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eTwo Essential Replacement Cartridges in One Pack\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis Sub-Zero refrigerator filter combo pack includes the 4204490 water filter and the 7042798 air purification cartridge. Ordering both together can simplify maintenance planning and help you avoid placing separate orders when both components are due for replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWater Filtration for Better-Tasting Water\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Sub-Zero 4204490 water filter helps reduce chlorine taste and odor and filters particulates. The manufacturer's performance documentation also identifies additional contaminant reductions under specified test conditions. Refer to the official performance data for the complete list of substances and applicable reduction claims.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAir Purification for a Fresher Refrigerator Environment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Sub-Zero 7042798 air purification cartridge works with the refrigerator's built-in system to help remove ethylene gas and odors from the refrigerator air. Ethylene is naturally released by many fruits and vegetables and can influence ripening. This system supports the refrigerator's food-storage environment but does not replace proper food handling or cleaning.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConvenient Routine Maintenance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eReplacing the water filter and air purification cartridge according to the manufacturer's schedule helps maintain the intended operation of both systems. The water filter may last up to one year, while the air cartridge is generally replaced approximately annually. Actual replacement timing should follow the appliance's indicator and model-specific instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eManufacturer-Specified Replacement Parts\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 4204490 and 7042798 are Sub-Zero part numbers for their respective filtration components. If you are purchasing this set as a genuine OEM combo pack, confirm the authenticity of both cartridges through your supplier documentation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis combo pack is intended only for refrigerators that require \u003c\/span\u003eboth the 4204490 water filter and the 7042798 air purification cartridge\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 4204490 water filter is listed for compatible Classic (BI, CL), Designer (IT, IC, DEC, DET), and PRO (648PRO, PRO3650, PRO4850) refrigeration models. The 7042798 air cartridge fits Sub-Zero refrigerators equipped with the corresponding air purification system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBefore ordering:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check the part numbers printed on both cartridges currently installed in your refrigerator, or consult the model and serial number through Sub-Zero's official filter guidance. Not every Sub-Zero refrigerator has an air purification system, and a compatible water filter alone does not confirm that the combo pack is suitable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWater Filter Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4204490\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAir Purification Cartridge Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7042798\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePrevious Air Cartridge Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7007067\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation and Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\u003cspan\u003eConfirm that both replacement part numbers match your refrigerator.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplace the water filter according to the appliance's instructions, including any required flushing procedure.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstall the air purification cartridge in its designated compartment using the model-specific instructions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReset the relevant filter indicator if your refrigerator requires it.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRecord the replacement date and follow the manufacturer's recommended maintenance schedule.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eConsult your Sub-Zero use and care guide for the correct installation and indicator-reset procedures.\u003c\/span\u003e\u003c\/p\u003e","brand":"Fridge Filters Store","offers":[{"title":"Default Title","offer_id":67529344254242,"sku":null,"price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/5729\/6674\/files\/Sub_Zero_4204490_Water_Filter_7042798_Cartridge_Combo_Pack.webp?v=1789395413","url":"https:\/\/fridgefiltersstore.com\/products\/sub-zero-4204490-water-filter-7042798-air-cartridge-combo","provider":"Fridge Filters Store","version":"1.0","type":"link"}