- Compatibility: Designed specifically for FS 120, 200, 250, 350, and 450 models including OEM part number 4134 141 0300. These air filters ensure a perfect fit and optimal performance. - Superior Construction: Crafted from high-quality soft plastic, these filters feature excellent sealing properties that effectively prevent dust and dirt ingress, providing robust protection for your engine. - Long-lasting Durability: Built to withstand challenging environmental conditions, these filters offer exceptional durability and a long lifespan, making them ideal for both casual and professional use. - Easy Installation: As genuine OEM replacement parts, these air filters integrate seamlessly with your current engine setup, ensuring compatibility and straightforward installation. Use Scenarios: 1. Ideal for routine maintenance, ensuring your engine operates smoothly and efficiently by keeping harmful contaminants at bay. 2. Perfect for use in dusty or debris-heavy environments, such as construction sites or agricultural fields, where engine protection is critical. 3. Suitable for both recreational and commercial applications, providing reliable performance for outdoor power equipment like trimmers and blowers. Invest in these air filters to enhance the longevity and performance of your equipment, ensuring it runs at its best under all conditions.