RMM is pleased to announce the addition of flat oval ductwork and fittings. With the capability to stretch out from 8” to 32” deep and standard length being 10’-0”, with custom cut lengths available. Due to numerous major and minor sizes please consult us for a list of available sizes. Pipe and fittings are available in galvanized, stainless steel, aluminum, and galvannealed (paint grip). Dual wall is available with a perforated or solid inner wall with 1” or 2” insulation thickness. End connections can be coupling or our in-house flange connection.