Metal ring on blower pipe end reduces wear

it will not be monotonous in your living room

and high-performance filters

Hi-Speed USB 2

9SIANC9BX49330

RITTAL Hygrostat: 24-230 V AC, Closes on Rise/Opens on Fall, SPST Metal ring on blower pipeRITTAL Hygrostat: 24 230 V AC, Closes on Rise Opens on Fall, SPST Item 6YDK6 Mfr. Model 3118000 Brand RITTAL Contact Rating 5 Switch ActionCloses on Rise; Opens on Fall Switch TypeSPST Control Range50 to 100% RH Humidity Differential4% IncludesDIN Rail; Mounting Hardware and Instructions Overall Depth2 3 4 in Overall Height2 3 4 in Overall Width7 8 in Standards CE UNSPSC41112301 Country of Origin Germany Item 6YDK6 Mfr. Model 3118000