12-21 on road engine air foam filter

The Samix SMS-9004 air foam filter is designed for use with 12-21 on road engine carburetors. This high quality foam filter comes in a pack of two and is an essential component to keep your engine running smoothly. It is important to note that the filter needs to be oiled before use to ensure proper filtration. With its reliable and durable construction, the SMS-9004 air foam filter is an ideal choice for any on road engine enthusiast.