O2 RUSH High‑Performance Adventure Bike & ATV/SXS Air Filter - Fits Honda CRF 300L Pre Cleaner (2021+) – Washable, Reusable, Maximum Airflow & Engine Protection - CNC‑Pre-Oiled Air Filter (2 Pack) airbox covers Polisport has been the secret

Polisport has been the secret weapon of pro motocross teams

Compatible with all DEWALT 20V MAX* lithium-ion batteries (sold separately

Ideal for bedrooms

Perfect for enduro riders

O2 RUSH High‑Performance Adventure Bike & ATV/SXS Air Filter - Fits Honda CRF 300L Pre Cleaner (2021+) – Washable, Reusable, Maximum Airflow & Engine Protection - CNC‑Pre-Oiled Air Filter (2 Pack) airbox covers Polisport has been the secretThe O2 Rush O2R 4138PC is a set of two high performance foam pre filter socks designed specifically for the Honda CRF300L (2021+ models). These precleaners install easily into the airbox intake snorkel, adding an essential first line of defense against heavy dust, sand, and trail debris common on dual sport and adventure rides. In dusty or extreme conditions, your main air filter can clog quickly. These O2R 4138PC pre filters capture larger particles