Replacement Filter for POP518IW and POP521TG cordless handheld vacuums Key benefits Captures fine particles down to 3 microns, effectively removing pet hair, dust, and household debris for cleaner indoor air. Fresh exhaust with no secondary pollution, so vacuuming does not reintroduce captured particles into the room. Maintains vacuum suction and filtration performance when replaced regularly. What it does Filters fine dust particles of 3 microns or larger to reduce airborne allergens and visible dust. Keeps collected debris contained for healthier, cleaner air during and after cleaning. Compatibility and fit Specifically designed to fit POP518IW and POP521TG cordless handheld vacuum cleaners. Engineered to the correct size and shape for secure installation and performance with these models. Performance and maintenance Recommended replacement interval: every 2 to 3 months to maintain peak filtration and suction. Regular replacement helps prevent clogging and ensures fresh, clean exhaust air. Practical uses Pet households: traps pet hair and dander to reduce odors and allergens. Quick cleanup and upholstery care: ideal for sofas, stairs, and car interiors where fine dust and hair collect. Everyday dust control: keeps floors and surfaces cleaner while minimizing particles returned to the room. What to expect Reliable capture of fine particles and visible debris when used with compatible POP5 models. Continued healthy exhaust airflow with timely filter changes. Replacement reminder Change the filter every 2–3 months for results and to preserve the vacuum's performance.