The Husqvarna 531308156 Air Filter / Pre-Cleaner 3-pack provides superior engine protection with a precise fit and included pre-cleaner for enhanced filtration. Designed for Briggs & Stratton Intek 121600 series OHV engines and select John Deere models, it ensures reliable performance in tough conditions. Premium construction improves airflow, prevents debris-related engine damage, and extends equipment life.