{"product_id":"k-n-engineering-universal-rubber-air-filter-with-3-75-inch-flange-diameter-model-ru-4250","title":"K\u0026N Engineering Universal Rubber Air Filter with 3.75-Inch Flange Diameter – Model RU-4250","description":"K\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 your equipment. 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.\nRegardless of the angle or offset diameter of an air intake, there is probably a K\u0026amp;N Universal air filter for your equipment. K\u0026amp;N universal air filters are washable and reusable.\n\u003cul\u003e\n  \u003cli\u003eNO-HASSLE WARRANTY: 1-Year Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe K\u0026amp;N Engineering RU-4250 is a versatile universal rubber air filter designed to fit a wide range of applications, including racing vehicles, generators, snowmobiles, tractors, and RC cars. Crafted with durable, molded pliable rubber flanges, this filter absorbs vibration and ensures a secure attachment, even allowing for slight stretch to accommodate variations in size. Its robust construction makes it suitable for various angles and offset diameters of air intakes, making it an ideal choice for different equipment setups. The filter's design emphasizes durability and reusability, as it is washable and can be cleaned for extended use, reducing the need for frequent replacements and supporting eco-friendly practices. This model features a 3.75-inch flange diameter, a 5.375-inch base outer diameter, a 4.375-inch top outer diameter, and a height of approximately 5 inches, providing broad compatibility with many air intake systems. The RU-4250 meets industry standards and is backed by a one-year limited warranty, ensuring reliable performance for demanding applications. Whether you're upgrading your racing vehicle or maintaining equipment, this universal air filter offers a dependable solution that combines flexibility, durability, and ease of maintenance, making it a valuable addition to your toolkit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eUniversal fit for a wide variety of applications including racing, generators, snowmobiles, and RC cars\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed with ultra-strong molded pliable rubber flanges for vibration absorption and secure attachment\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStretchable flange design allows for up to 1\/16 inch (1.5mm) adjustment to fit different sizes\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eWashable and reusable design for extended use and cost savings\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to accommodate various angles and offset diameters of air intake systems\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBacked by a 1-year limited warranty for reliable performance\u003c\/li\u003e\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":53602874753297,"sku":"RU-4250","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3830\/0689\/files\/ddc6c04dadffa8a52f6590c44d1fdd06.jpg?v=1779954141","url":"https:\/\/shoprenegade.com\/products\/k-n-engineering-universal-rubber-air-filter-with-3-75-inch-flange-diameter-model-ru-4250","provider":"Renegade Speed by Renegade Racing \u0026 Performance","version":"1.0","type":"link"}