{"product_id":"fleece-filter-bag-karcher-kfi-357-4-pieces","title":"Fleece filter bag Karcher KFI 357, 4 pieces","description":"\u003cdiv style=\"font-size: 1.1em;\"\u003e\n\u003ch2\u003eKärcher Fleece Filter Bag KFI 357 – a practical solution for industrial vacuum cleaners\u003c\/h2\u003e\n\u003cdiv class=\"context-badges\"\u003e \u003cspan\u003eSuitable for industrial vacuum cleaners\u003c\/span\u003e \u003cspan\u003ePack of 4 for frequent use\u003c\/span\u003e \u003cspan\u003eLess suitable for hair removal\u003c\/span\u003e\n\u003c\/div\u003e Durable fleece bags are designed for Kärcher industrial vacuum cleaners. They are suitable for regular cleaning of larger areas and workshops, as they ensure effective dust collection.\u003cul\u003e\n\u003cli\u003e Durable fleece for longer life\u003c\/li\u003e\n\u003cli\u003e Pack of 4 for less frequent purchases\u003c\/li\u003e\n\u003cli\u003e Easy and hygienic change\u003c\/li\u003e\n\u003cli\u003e Reliable retention of fine dust and dirt\u003c\/li\u003e\n\u003cli\u003e Compatible with selected Kärcher industrial models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThe Kärcher fleece filter bag KFI 357 offers a high level of dust retention and significantly longer vacuuming intervals than conventional paper filter bags. In addition, the KFI 357 fleece filter bag is extremely tear-resistant. All Kärcher wet\/dry vacuum cleaners from the WD 2 Plus, WD 3, WD 3 Battery and KWD 1–KWD 3 series as well as the SE 4001\/SE 4002 vacuum cleaners are compatible with the KFI 357 fleece filter bag.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eSpecifications\u003c\/strong\u003e \u003c\/p\u003e\u003ctable cellspacing=\"0\" style=\"-webkit-text-stroke-width:0px; background-color:#ffffff; border-collapse:collapse; border:undefined; box-sizing:border-box; caption-side:bottom; color:#001424; font-family:Lato,Arial,\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e \u003cstrong\u003eBag\/container\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e Crowd\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e 4 pcs. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e\u003c\/td\u003e\n\u003ctd style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e Filter type\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e Dry filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e \u003cstrong\u003eSuitable for\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"3\" style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e Vacuum cleaner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e \u003cstrong\u003eCompatible with\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"3\" style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e Wet\/dry vacuum cleaner WD 2 Plus, WD 3, WD 3 Battery, KWD 1–KWD 3, SE 4001\/ SE 4002 washing vacuum cleaner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e \u003cstrong\u003ePurpose of use\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"3\" style=\"background-color:#ffffff; border-color:inherit; vertical-align:top\"\u003e Replacement filter bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eSame summary\u003c\/h2\u003e\u003cp\u003e The Karcher KFI 357 fleece filter bag is particularly suitable for users of industrial or conventional vacuum cleaners that suck up large amounts of dust or hair - for example in households with pets or in rooms where frequent thorough cleaning is required. The four-pack allows for more carefree maintenance, as bag changes are more frequent in such use. This product will not be suitable for a specific type of vacuum cleaner that does not use conventional bags.\u003c\/p\u003e\u003cp\u003e As a warning, it is worth mentioning that the bag alone does not solve the problem of hair removal or deep cleaning - proper maintenance of the vacuum cleaner and timely replacement of the bag are also key, especially with frequent use.\u003c\/p\u003e\u003cp\u003e \u003cem\u003eRecommendation source: Enaa guides and team experiences.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003e User view\u003c\/h2\u003e\u003cp\u003e This filter bag is most often used in households where vacuuming is done regularly and frequently – especially where dogs or cats live. Users choose it because it allows for quick and reliable cleaning of larger areas without the need for constant interruptions to change the bag. This type of packaging is also often useful for allergy sufferers or those who want to maintain the cleanest possible living environment.\u003c\/p\u003e\u003cp\u003e When you are unsure about which vacuum cleaner is best for your needs, you can find more information in our \u003ca href=\"https:\/\/www.enaa.com\/blog\/kateri-sesalnik-kupiti\/\"\u003evacuum cleaner selection guide\u003c\/a\u003e . Many users swear by the quality of \u003ca href=\"https:\/\/www.enaa.com\/znamka\/k%C3%A4rcher\"\u003eKärcher\u003c\/a\u003e products for their reliability and well-designed solutions for cleaning the home and surroundings.\u003c\/p\u003e\u003ch2\u003e Why buy at Enaa\u003c\/h2\u003e\u003cp\u003e In one place you can choose and compare different models of vacuum cleaner filter bags, relying on professional support within the specialized category Home, Garden and Family. Enaa highlights transparent information on compatibility and practical differences in packaging, making it easier to make a decision even with more specific needs, such as pets or allergies.\u003c\/p\u003e\u003ch2\u003e Answers to frequently asked questions\u003c\/h2\u003e\u003ch3\u003e Is the Karcher KFI 357 filter bag suitable for all types of vacuum cleaners?\u003c\/h3\u003e\u003cp\u003e No, this filter bag is intended for use in selected industrial or classic vacuum cleaners that support this type of bag. Please check compatibility with your vacuum cleaner type before purchasing.\u003c\/p\u003e\u003ch3\u003e How often is it recommended to change the filter bag?\u003c\/h3\u003e\u003cp\u003e The frequency of replacement depends on the frequency of use and the type of dirt and hair. It is recommended to replace the tidy bag before it is completely full, as an overfilled bag can reduce suction power - especially in households with pets.\u003c\/p\u003e\u003ch3\u003e Does a fleece bag improve filtration of fine dust or allergens?\u003c\/h3\u003e\u003cp\u003e Due to its structure, a fleece bag can retain finer dust better than regular paper, but allergy sufferers should also choose a vacuum cleaner with effective filters, such as HEPA filtration. You can find more information about this in our \u003ca href=\"https:\/\/www.enaa.com\/blog\/kateri-sesalnik-kupiti\/\"\u003evacuum cleaner selection guide\u003c\/a\u003e .\u003c\/p\u003e\u003ch3\u003e What happens if I use the filter bag after it is almost full?\u003c\/h3\u003e\u003cp\u003e Using a nearly full filter bag can significantly reduce the suction power and efficiency of your vacuum cleaner. It is recommended to replace the bag when you notice a drop in power, even if it is not yet completely full.\u003c\/p\u003e\u003ch3\u003e Why choose a four-bag pack?\u003c\/h3\u003e\u003cp\u003e The four-bag pack is especially practical for those who vacuum frequently or in larger households, as it allows for timely bag replacement without the need to immediately purchase new ones.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e\u003cbr \/\u003e\n{\u003cbr \/\u003e\n  \"@context\": \"https:\/\/schema.org\",\u003cbr \/\u003e\n  \"@type\": \"FAQPage\",\u003cbr \/\u003e\n  \"mainEntity\": [\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali je filter vrečka Karcher KFI 357 primerna za vse tipe sesalnikov?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Ne, ta filter vrečka je namenjena uporabi v izbranih industrijskih ali klasičnih sesalnikih, ki podpirajo to vrsto vrečke. Pred nakupom preverite kompatibilnost z vašim tipom sesalca.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kako pogosto je priporočljivo menjati filter vrečko?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Frekvenca menjave je odvisna od pogostosti uporabe in vrste umazanije ter dlak. Priporočljivo je, da urejeno vrečko zamenjate že pred popolno napolnjenostjo, saj lahko prenapolnjena vrečka zmanjša moč sesanja – še posebej v gospodinjstvih s hišnimi ljubljenčki.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali vrečka iz flisa izboljša filtracijo finega prahu ali alergenov?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Vrečka iz flisa lahko zaradi svoje strukture bolje zadrži drobnejši prah v primerjavi z navadnim papirjem, vendar je za alergike priporočljivo poleg tega izbrati tudi sesalnik z učinkovitimi filtri, na primer s HEPA filtracijo. Več o tem najdete v našem vodniku za izbiro sesalnika.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kaj se zgodi, če uporabljam filter vrečko po tem, ko je že skoraj polna?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Uporaba skoraj polne filter vrečke lahko močno zmanjša sesalno moč in učinkovitost vašega sesalnika. Priporočljivo je, da vrečko zamenjate, ko opazite padec moči, tudi če še ni popolnoma napolnjena.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Zakaj izbrati pakiranje s štirimi vrečkami?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Pakiranje s štirimi vrečkami je še posebej praktično za tiste, ki sesajo pogosto ali v večjih gospodinjstvih, saj omogoča pravočasno menjavo vrečk brez potrebe po takojšnjem novem nakupu.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    }\u003cbr \/\u003e\n  ]\u003cbr \/\u003e\n}\u003cbr \/\u003e\n\u003c\/script\u003e\u003cp style=\"font-size: 0.9em; color: #666;\"\u003eDescription updated: June 2026\u003c\/p\u003e","brand":"Kärcher","offers":[{"title":"Default Title","offer_id":59156697776459,"sku":null,"price":16.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3457\/3643\/files\/filter-vrecka-iz-flisa-karcher-kfi-357-4-kosi-51834636.jpg?v=1793983003","url":"https:\/\/enaa.eu\/products\/fleece-filter-bag-karcher-kfi-357-4-pieces","provider":"Enaa","version":"1.0","type":"link"}