Outer Air Filter Replacement part to your worn outer air filter with an efficient, reliable option. Designed to fit multiple models: CH18CH26, CV16CV26, CH730CH750, CV740, CV745, LH640, LH685, and LH690 for 16 HP through 26 HP engines. Compatible with MPNs: 25 083 01S, 25 083 01, BS 841497 4235, M131802, M144100, and more. Inner Air Filter Improves the air filtration system for your equipment. Fits ZTrak mower models Z810A, Z820A, Z840A, 647A, 657A, 667A, 717A, 727A, 997, and Front Mowers/Compact Tractors 1420, 1435, 1445, 1545, 1565, 3005, 4005. Compatible with MPNs: 25 083 04S, 25 083 04, BS 821136 4236, M144098, M131803, and more. OEMfit compatibility Specifically designed to fit FH601D, FH641D, FH680D, FH721D, FX651V, FX691V, and FX730V models. Provides a precise, secure fit and meets or exceeds OEM specifications. Material and durability Constructed from plastic and metal materials. Built to last with attention to detail, delivering reliable filtration performance and durability. Practical use scenarios Routine maintenance on CH, CV, LH series riders and mowers to maintain engine performance and longevity. Upgrading filtration on ZTrak mowers or Front Mowers and Compact Tractors to ensure clean air intake. Servicing FH and FX series machines to maintain OEMequivalent filtration and fit.