true i didnt consider it is wet heat which is a bit harder on the body which may be ok with lower temps for the benefits. im looking at getting this one as it is all i can afford right now and it claims to be able to get to 149 degrees https://www.amazon.com/gp/product/B07GFJDWM6/ref=ox_sc_saved_title_8?smid=A2V0U2CDI8OSTK&psc=1