pig heat bulb is the infrared heat lamp used for pig breeding, including the R40 pig heat bulb, PAR38 pig heat bulb, BR38 pig heat bulb, etc.  normally the pig heat bulb work with the infrared lampshade, as the lampshade can protect the pig heat bulb from water. the pig heat bulb is splash proof, not water proof, too much water will damage the pig heat bulb.