Shipping and Handling: Free USPS First Class Mail Shipping Product will be shipped out within 24 hours after payment cleared. Return / Refund Return is accepted within 60 days after the buyer receipt the item If this item is damaged or defected upon receipt, customer has up to 60 days from date of receipt for exchange of a new one. Include your name, address, item, daytime telephone, and if you are requesting a refund or exchange. After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from). This listing includes 1 brand new high performance universal 2 stage cleanable foam air filter. SIZE: This filter has a straight rubber inlet that will fit 35 mm diameter to a 39 mm diameter of the back / mouth side of carb openings. AND 3 3/4 INCH WIDE BY 2 3/4 TOLL It is universal for most Chinese 125cc 150cc 200cc ATVs, Dirt Bikes, Such as TaoTao, Buyang, Coolsport, Kazuma, Sunl, Roketa, Baja, Kinroad, KMD, AIM-EX etc. Fits on gy6 49cc / 50cc, 4 stroke 139qmb engines found on scooters, ATV's, go karts. Good quality! Please see the pictures before purchasing! Fits most scooters and mopeds 139qmb engines on some of the following brands (but not all models) - Roketa, Sunl, Baja, Kazuma, Carroll, Stream, Eeagle, Taotao, Redcat, Tank, Giovonni, Aimex, Jackel, Wildfire, Xtreme, Qlink, Yiben, Jonway, JM Star, Vento, TNG, VIP, Honda, Suzuki, Yamaha, Kawasaki, etc.