[Precise Compatibility]Direct replacement filters designed specifically for Eureka NEN180 and NEN186BL bagless canister vacuums. Ensure seamless performance and airtight integration with your machine. [ Advanced Filtration] Made of high-toughness HEPA filter paper and durable plastic material easy to removes 99.97% of 0.3-micron particles, including dust, pollen, and allergens. Durable plastic frame resists wear for long-term reliability. [EASY INSTALLATION]The filter is recommended to be replaced every 3-6 months for optimal performance Color: As shown Material: plastic Package Contents: 2 x Front filter 2 x Back filter 2 x Filter cotton 1 x Cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.