HQRP Filter Compatible with Bissell 18M9, 21K3 series Bagless Vacuums. This filter is H12 filtration class and retains 99.97% of particles down to 0.3 micron. This filter can eliminate separate particles of Embryos, Smoke of metal oxide, Swirl on the carrying particles, Carbon black, Oil smoke, Bacterium, Spore, Cement dust, Particles creating stain or dust sedimentation, Pollen, Fog, etc. Dimensions: up diameter: 3.73"; down diameter: 3.37"; height: 2.62". 2 weeks DOA replacement warranty.
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Item# : SPM6639980401
Model # : 884667407021203