Twin Air Pre Oiled Air Filter for P.Kit Yamaha Fantic Fits XEF250 450 (23 25), XXF250(23), XXF250(23 25), YZ250FX(20 24), YZ250F 450FX(19 23), WR250F (20 24) – Motocross (OEM Part #BR9 14451 00 00) Grease and ventilated mesh ensures optimal M300B 21S and ventilated mesh ensures optimal airflow A nitrogen air spring mechanism gives this cordless staple gun power to consistently sink staples to the proper depth in hard materials with the ability to adjust to driving staples in soft materials without blowing through Take your dirt bike’s performance to the next level with the Twin Air Pre Oiled PowerFlow Kit (152222C) this high performance kit combines a pre oiled dual stage foam air filter with a durable aluminum cage to deliver unmatched airflow