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- Pressure compensation element that ensures the necessary pressure compensation when the housing is closed. This fully prevents the formation of moisture or condensate.
- The air flow rate for article names with the suffix "PLUS" is 3.5 l/min, and 0.8 l/min for all other articles.
- UL certification in accordance with the technical data (article dependent) allows the product to be used on the North American market.
- Especially for closed housings where optimum ventilation is needed.
- Good oil and chemical resistance.
- Black variants are UV-resistant and therefore well suited for outdoor use.