Twin Air Flame Retardant Dual Stage Foam Air Filter for KTM Husqvarna 250 350 450 2016–2018 – For PowerFlow Kit – OEM Replacement 79006015000 – Part# 154218FR synthetic oil and high performance Nelson Rigg and high performance from hardpack to loose dirt VEHICLE COMPATIBILITY & OEM REFERENCE: • KTM SX F XC F EXC F 250 350 450: 2016–2018 • Husqvarna FC FE FX FS 250 350 450: 2016–2018 • For use with Twin Air PowerFlow Kit only • Exact factory specification replacement element PRODUCT FEATURES: • Flame Retardant Dual Stage Foam: Two fused layers with backfire resistant inner layer for added safety • OEM Specification Match: Built to exact KTM Husqvarna dimensions and specifications • Washable & Reusable: Designed for repeated cleaning and re oiling • Durable Materials: Premium flame retardant foam meets or exceeds original equipment standards • Quality Assurance: Meets or exceeds factory specifications INSTALLATION & MAINTENANCE: Drop in replacement when used with Twin Air PowerFlow cage Remove old filter and install this unit – no modifications required