Sharp FP-K50UW

Budget bedroom filtration with no app

Suits up to 250 sq ft (23 m²)Smoke CADR of 167, times 1.5. That's AHAM's two-thirds rule, for an 8 ft ceiling. The sizer tests your main room, which it takes as a third of your floor area, capped at 500 sq ft.

$219.99Checked November 2, 2026. List price (Abt Comp. Value).

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My short take

Listed CADR is 167 for smoke, 171 for dust and 188 for pollen, with a filter life of up to 2 years. It has no auto mode or Wi-Fi.

See it in Best air purifiers by room size

The specs

CADR smoke (rated): 167 cfm
CADR dust (rated): 171 cfm
CADR pollen (rated): 188 cfm
Coverage, recommended (rated): 259 sqft
ENERGY STAR: Certified, per vendor listing

Where these numbers came from

Abt product page

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