The Momentum HD is designed around a massive 1,000cfm performance 360 degree radial flow air filter with 10-layers of progressive cotton media producing 99.47% cumulative efficiency. The unique air filter to housing interface (patent pending) allows for maximum filter size which increases the available air volume while simplifying the installation process. The air filter is wrapped in reinforced metal providing maximum strength to prevent filter collapse. Magnum FLOW Intake Replacement Air Filter w/ Pro 10R Media (7 x 4-3/4) IN F x (9 x 7) IN B x (9 x 7) IN T (Inverted) x 9 IN H (7x4-3/4) F x (9x7) B (INV) x (9x7) T (INV) x 9H in
