Air purifier comparison
Compare CUCKOO L, K, D, U and R Models
Choose by room coverage, HEPA grade, features and physical size rather than model letter alone.
C Model is discontinued. This guide focuses on the current L, K, D, U and R air purifiers.

Current models side by side
R ModelRM77/mOutright RM2,550 Confirm latest packageH13, up to 570 sq. ft.View model
L ModelRM95/mOutright RM3,200 Confirm latest packageH13, up to 600 sq. ft.View model
K ModelRM94/mOutright RM2,750 Confirm latest packageH13, up to 710 sq. ft.View model
D ModelRM127/mOutright RM3,550 Confirm latest packageH14, about 710 sq. ft.View model
U ModelRM143/mOutright RM4,400 Confirm latest packageH14, up to 1161 sq. ft.View modelCompare the current range
Start with room size, then narrow by filters and controls.
Compact H13
Up to 570 sq. ft. with seven modes.
H13 with voice navigation
Up to 600 sq. ft. with PM2.5 indication.
Wide H13 coverage
Up to 710 sq. ft. with CADR 520 m3/h.
H14 for larger spaces
D covers about 710 sq. ft.; U about 1161 sq. ft.
Choose around the room
A larger model is not automatically better.
R or L may suit bedrooms and offices.
K and D share similar listed coverage but different features.
U has the widest listed coverage.
Related CUCKOO guides
Compare CUCKOO L, K, D, U and R Models FAQs
Is C Model available?
C Model is discontinued on this site.
Which model has widest coverage?
U Model at approximately 1161 sq. ft.
Which models use H14?
D and U Model.
Which model is best?
Match coverage, filters, modes, noise and size to the room.