{"product_id":"ultra-web-primary-air-filter","title":"Ultra-Web Primary Air Filter","description":"The Donaldson Blue 6637 air filter utilizes exclusive Ultra-Web nanofiber technology to offer superior engine protection and longevity compared to conventional cellulose media. Donaldson, a pioneer in heavy-duty diesel engine air filters for over a century, developed this advanced nanofiber media to provide exceptional performance and durability.\n\nThis filter boasts a significant 37% increase in airflow over standard 6637 cellulose filters, achieving a flow rate exceeding 1300 CFM+. This enhanced flow contributes to better engine efficiency and performance.\n\nFor on-road use, it is guaranteed to last twice as long as standard cellulose filters. The Donaldson 6637 is a disposable filter and is not washable. It is 100% Made in the USA.","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":52687720317240,"sku":"6637","price":98.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/664704685.webp?v=1784886538","url":"https:\/\/store.motormia.co\/products\/ultra-web-primary-air-filter","provider":"MOTORMIA","version":"1.0","type":"link"}