THE "CRICKET" ELIMINATOR: The smallest of our VentSaver models. This ingenious new product adds support and strength to your smaller vent pipes while the innovative fin design cuts through and assists in shedding the snow and ice from your roof. VentSaver FB-151 series is made from non-corrosive powder-coated aircraft grade aluminum with a pre-punched stainless steel strap to fit smaller sizes of pipe from 1.5"- 4". Also provided are stainless steel nuts, bolts and heavy duty 1 1/2" lag screws. It protects a standing profile of 6". Installation is quick and easy.