PVS Spiral Ductwork
24 Gauge PCD Type 4X4 Spiral Gored Elbows with Sure Seal Gasket connection. PCD Definition – Hot dipped galvanized steel, G60 or better is cleaned and treated for coating, then a primer is baked onto both sides. Finally a 4 mil. Polyvinyl chloride coating is baked on both sides (4X4).