Spar, Inc. is pleased to present our ongoing advancements with the Puur Gas Injection System.  We currently cast porous plug systems and distribute them to customers world wide.  Spar, Inc. values any opportunity to engineer a porous plug system for your furnace.  Through research and engineering we are confident that we will increase the efficiency and quality of your operation.  Please contact Spar, Inc. to arrange for your consultation.   

PUUR System Brochure