length of pipe with a conical end with some holes punched in it - and a hose attachment
you hook up a hoseline to it and slam it into a concrete or masonry wall with a sledge hammer https://www.google.com/search?q=penetrator+nozzle+fire&sca_esv=114685c43ef135a0&authuser=0&sxsrf=AE3TifOJb86cWMn3KPddm-fGMZZgcGLM0g%3A1760534465583&source=hp&ei=wZ_vaLzKIImdptQP6ZetmAs&iflsig=AOw8s4IAAAAAaO-t0a941oI2DUpmuVj1y3V4KQg7v8Q6&ved=0ahUKEwj8rrv7paaQAxWJjokEHelLC7MQ4dUDCBo&uact=5&oq=penetrator+nozzle+fire&gs_lp=Egdnd3Mtd2l6IhZwZW5ldHJhdG9yIG5venpsZSBmaXJlMgUQIRigATIFECEYoAEyBRAhGKABMgUQIRigATIFECEYoAEyBRAhGJ8FMgUQIRifBTIFECEYnwVInTFQAFiKKXAAeACQAQCYAWqgAeQOqgEEMjAuMrgBA8gBAPgBAZgCFqACsQ_CAgoQIxiABBgnGIoFwgIEECMYJ8ICCxAAGIAEGJECGIoFwgILEC4YgAQYsQMYgwHCAggQABiABBixA8ICCxAAGIAEGLEDGIMBwgIOEC4YgAQYsQMY0QMYxwHCAgoQIxjwBRgnGMkCwgIREC4YgAQYsQMY0QMYgwEYxwHCAgUQLhiABMICERAuGIAEGJECGNEDGMcBGIoFwgIOEC4YgAQYsQMYgwEY1ALCAgQQABgDwgIREC4YgAQYsQMYgwEY1AIYigXCAggQLhiABBixA8ICCxAuGIAEGJECGIoFwgIFEAAYgATCAgoQABiABBgUGIcCwgIGEAAYFhgewgIIEAAYgAQYogTCAgsQABiABBiGAxiKBcICBRAAGO8FwgIIEAAYogQYiQXCAgUQIRirApgDAJIHBDE4LjSgB_WfAbIHBDE4LjS4B7EPwgcGMC4xOS4zyAcw&sclient=gws-wiz piercing nozzle seems to be the correct name for structure fires penetrator nozzle is used for duff fires in forests stupid friggin google with the stupid huge url -- You received this message because you are subscribed to the Google Groups "massfire" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/massfire/CAFXWwKYstvZqkO3Uyrs%3Dmm1Pzoty11sb1CUaL4KH5_B%2Bz23VVg%40mail.gmail.com.
