Mower Paper Air Filter, 4.5 x 5.25-In.
Paper Air Filter, 5-1/4-Inch x 4-1/2-Inch x 1-Inch, Fits 4 - 5.5 HP Briggs & Stratton Vertical Shaft & 3 & 5 HP Quantum Horizontal Shaft Engines, With Horizontal Rewind, Replaces Briggs #491588, 399959.
Paper Air Filter, 5-1/4-Inch x 4-1/2-Inch x 1-Inch, Fits 4 - 5.5 HP Briggs & Stratton Vertical Shaft & 3 & 5 HP Quantum Horizontal Shaft Engines, With Horizontal Rewind, Replaces Briggs #491588, 399959.
