[US Direct] 1 Set Of Stainless Steel Crawl Space Basic Fan Ventilator With Built-in Dehumidifier silver

--Exhaust : Dimensions L x W x H: 18” x 9” x 2”. Seven-blade AC axial flow fan.

--Built-in dehumidifier design: (20%-80% RH range). Noise: dB level 45-57. Measure the size of your crawl space vent before purchasing.

--Functions: It helps to reduce the radon level in the crawl space, because the radon (density) is heavier than air, and the radon will settle on the lower floors.

--Material: stainless steel 304 grade panel and shell, can extend the service life in humid environment.

Description:
Name: ventilation fan
Product size: 18 x 9 x 2 inches
Product weight: 4.9 pounds
Material: Stainless steel
Color: stainless steel silver
Advantages:
1. Reduce moisture in crawl space/foundation to protect family and occupants. 2. Increase air circulation to prevent condensation and wood rot. 3. Exhaust radon gas, processed wood gas and odor to prevent migration to living areas. 4. Use SET humidity% level to automatically turn on/off. 5. Exchange of indoor and outdoor air to improve indoor air quality and balance humidity.
Pacakge list:
ventilation fan + built in dehumidifier (stainless steel, silver, m1d)*1
Note:
light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.