R-COM 20 Series Humidity Unit ASM This Humidity Unit ASM is for the R-Com 20 Egg incubator. This includes the Max 20, Pro 20 and USB 20. Please check your model to make sure this is the correct part for your incubator. Part # H20-A216-10 We sell a variety of R-Com parts, all are genuine R-Com parts. These parts are not returnable so please do verify if in doubt that the correct parts for your incubator are ordered. Please check our other listings for additional R-Com parts .