Uni clamp on  angled filter - 2 1/4" ID 

Part #UP-4229AST

• For use on motorcycles, ATVs, go-carts, snowmobiles, air compressors, tractors and anything with a carburetor
• Use outside pre-filter dry for dusty conditions or oiled for extremely wet conditions
• Black inner foam, red outer foam and a urethane flange
• Clamp directly to carburetor
• Made in the USA