Inflatable Purge Bladder Compatible Pipe Diameter (Maximum) 18 in Harness Length 16 in Maximum Temperature 250 Degrees F Gas Flow Rate (Maximum) 30 cfh Features Connected By a Braided Tube Reusable Bladder Design Double Purge Bag System with High Heat Harness Exterior Bag Material Polyurethane-Coated Nylon Process Purging Multiple Pipes Resistance Properties Spark Resistant Standards CE Approved