Caravans & RVs Exterior / Interior Fits standard 4.5" circular cutouts. OEM Cross Reference Main SKU: MD1067 Manufacturer Ref: B401A (E-Audio Equiv.). Can these be used in a sauna or steam room?. The polypropylene cone and ABS housing are resistant to heat and humidity, making them ideal for saunas, steam baths, and wet rooms.
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