H-B Instrument B61900-0200 Hydrometer Case for 380 mm Length Hygrometer</br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31TieRJzH5L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41T2W1YVYTL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51HGRnXxpmL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51706%2Bcs4BL.jpg' noproxy></br>