RH View Box is a favorite among experienced blood bankers. Larger than the traditional  thermolyne box by Barnstead. View box enables more test simultaneously. The RH View Box today is used as a viewing light source for blood type testing but; was originally designed for holding multiple slides and Rhogam work-ups or “Weak D  testing” .  The RH View Box is factory set to 37 centigrade but may be adjusted to accommodate various medical lab testing reagents such as D poly or mono clonal anti-sera. Rh view box is set on rockers to mix samples on slides while incubating. Rh view box has 2 LED strips that enable technician to easily observe specimens.