U.K. 150S round resistor RN150S-HL 1 piece

Catalogue number: RN150S-HL Features: ●Rainproof measures have been taken for use as a natural intake and exhaust vent. ●It can also be closed when there is a concern of rainwater entering during strong winds. Uses: ●For adjusting the amount of air passing through. Specifications: ●Applicable pipe inner diameter (mm): 145-160 ●A (mm): 224 ●B (mm): 145 ●C (mm): 160 ●D (mm): 18 ●E (mm): 55 ●Size (mm): 145 ●Effective ventilation area (cm2): 64.4 ●Comes with insect screen Materials/Finish: ●Main body, register, rotating plate, wire mesh: Stainless steel (SUS304) ●Knob: Stainless steel (SUS303)