Discontinued model guide
Discontinued CUCKOO Air Purifier Models
CUCKOO C Model and B Model are no longer listed as current air purifier options on CUCKOO Deal.
Customers searching for these older names can use this guide to reach the current range. Choose a new model by room coverage, HEPA grade, operating modes, dimensions and noise rather than model letter alone.
Current air purifiers to compare
R ModelRM77/mOutright RM2,550 Confirm latest packageH13, up to 570 sq. ft.View modelL 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 modelOlder air purifier names
The discontinued pages remain redirected here so customers do not land on unavailable product listings.
No longer listed as active
C Model is retained as an older-product reference. Do not assume that another letter model has identical coverage, filters or controls.
No longer listed as active
B Model is also treated as discontinued. Compare the current range using the intended room rather than the old model name.
L, K and R Models
These current models use H13 filtration systems with different coverage, airflow, modes and dimensions.
D and U Models
D and U use H14 filtration and serve different listed room sizes, with U offering the widest current coverage.
Choose a current model by room needs
Coverage is a starting point; ventilation, layout, pollution and filter condition also affect performance.
R Model lists coverage up to 570 sq. ft. and L Model up to 600 sq. ft.
K and D list coverage of about 710 sq. ft., with different HEPA grades and operating features.
U Model lists coverage up to 1161 sq. ft. and should still be assessed against the actual room layout.
Related CUCKOO guides
Current air purifiers
Browse active L, K, D, U and R Models.
View pageRelated guideAir purifier comparison
Compare the current range by coverage and HEPA grade.
View pageRelated guideCoverage guide
Match listed room coverage to the intended space.
View pageRelated guideHEPA guide
Understand which current models use H13 or H14 filtration.
View pageDiscontinued CUCKOO Air Purifier Models FAQs
Is CUCKOO C Model discontinued?
Yes. C Model is no longer listed as an active CUCKOO air purifier on this site.
Is CUCKOO B Model discontinued?
Yes. B Model is also treated as discontinued on CUCKOO Deal.
Which current model replaces C Model or B Model?
There is no automatic direct replacement stated here. Compare L, K, D, U and R by room coverage, filtration, modes, dimensions and noise.
Which current CUCKOO air purifiers use H14 filtration?
D Model and U Model use H14 filtration. L, K and R use H13 systems.
Can an air purifier treat allergies or asthma?
No. Air purifiers support airborne-particle reduction but do not diagnose, prevent or treat allergies, asthma or any illness.