Environmental protection for 1/2 in preamplifiers (PRMLXT or PRM831), with windscreen, desiccant & bird spike. Mounting options for 1/4-20 thread (TRP001), 1.5 in. pipe (TRP003) and 3/4 in. NPT pipe included.
For more information see
http://www.larsondavis.com/EPS2116