Usage Tips:1.[PERFECT FIT]: This replacement filter is compatible with Shark HP100, HP100C, HP102, HP102C, HP105, HP102PET, HC450, HC450C, HC451, HC452, HC452C, HC455, HP130, HP132, UA205, UA455, UA505. Compare part #HE1FKBAS, #HE1FKPET. diameter- 7.56", height- 7.17" 2.[ATTENTION]: NOT FIT for HP201, HP202 and HC501. Please check your purifier model before making an order 3.[VALUE PACKAGE]: Included 2 replacement filters. Changing the Filter regularly helps to extend the life of the air purifier, saving you money while improving filtration 4.[HIGH EFFICIENCY HEPA MULTI-FILTER]: Our Filter with true HEPA works for 99.98% of large, small, & micro-sized particles like dust, hair, pet danders, pollen down to 0.3 micron particles. The carbon filter helps to get rid of household odors and VOCs 5.[EASY TO REPLACE]: It is recommended to replace the filter every 6-12 months according to your living air quality for optimal performance. Installs simply and fits snugly, no tools required, ensuring you to replace your filter in minutes