{"product_id":"k-n-universal-air-filter-ru-1720","title":"K\u0026N Universal Air Filter | Round, 2.25in Flange, 6in Tall | RU-1720","description":"\u003cp\u003eK\u0026amp;N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K\u0026amp;N Universal air filter for the application. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1\/16 of an inch (1.5mm) to fit in-between sizes. K\u0026amp;N universal air filters are washable and reusable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProduct type: Universal Air Filter\u003c\/li\u003e\n\u003cli\u003eStyle: Round Straight Universal Air Filter\u003c\/li\u003e\n\u003cli\u003eShape: Round\u003c\/li\u003e\n\u003cli\u003eFilter line: High-Flow\u003c\/li\u003e\n\u003cli\u003eMedia: Cotton Gauze\u003c\/li\u003e\n\u003cli\u003eWashable and reusable: Yes\u003c\/li\u003e\n\u003cli\u003eHeight: 6 in (152 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 3.5 in (89 mm)\u003c\/li\u003e\n\u003cli\u003eFlange ID: 2.25 in (57 mm)\u003c\/li\u003e\n\u003cli\u003eEfficiency: Up To 99% Efficiency\u003c\/li\u003e\n\u003cli\u003eRe-oil amount: 0.52 oz (15 ml)\u003c\/li\u003e\n\u003cli\u003ePackage contents: 1 Air Filter\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 Year Limited\u003c\/li\u003e\n\u003cli\u003ePart number: RU-1720\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eIs the K\u0026amp;N RU-1720 a universal part?\u003c\/h5\u003e\u003cp\u003eYes. It is a universal-fit part sized by dimension rather than a specific vehicle. Check the dimensions against your application before ordering.\u003c\/p\u003e\u003ch5\u003eIs the K\u0026amp;N RU-1720 washable and reusable?\u003c\/h5\u003e\u003cp\u003eYes. The K\u0026amp;N media is washable and reusable; clean and re-oil it with a K\u0026amp;N Recharger kit instead of replacing it.\u003c\/p\u003e\u003ch5\u003eHow efficient is the filter?\u003c\/h5\u003e\u003cp\u003eK\u0026amp;N rates this filter at up to 99% efficiency.\u003c\/p\u003e\u003ch5\u003eWhat warranty does it carry?\u003c\/h5\u003e\u003cp\u003eIt is backed by the K\u0026amp;N 1 Year Limited Warranty.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the K\u0026N RU-1720 a universal part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It is a universal-fit part sized by dimension rather than a specific vehicle. Check the dimensions against your application before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Is the K\u0026N RU-1720 washable and reusable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The K\u0026N media is washable and reusable; clean and re-oil it with a K\u0026N Recharger kit instead of replacing it.\"}}, {\"@type\": \"Question\", \"name\": \"How efficient is the filter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"K\u0026N rates this filter at up to 99% efficiency.\"}}, {\"@type\": \"Question\", \"name\": \"What warranty does it carry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is backed by the K\u0026N 1 Year Limited Warranty.\"}}]}\u003c\/script\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":42330942210096,"sku":"KNNRU-1720","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/0bccf66b5fb01470155a782449a78b61.jpg?v=1755989249","url":"https:\/\/berryperformancesales.com\/products\/k-n-universal-air-filter-ru-1720","provider":"Berry Performance Sales","version":"1.0","type":"link"}