The Briggs & Stratton 808686 Engine Breather Tube helps maintain proper engine ventilation for smooth and reliable performance. Designed as a replacement breather component, it allows crankcase gases to flow safely through the engine's ventilation system, helping regulate internal pressure and support efficient engine operation. Proper breather function contributes to cleaner engine p... https://www.wholetoolbox.com/briggs-stratton-808686-engine-breather-tube/808686.html