Lydall, Inc. designs and manufactures specialty engineered filtration media, industrial thermal insulating solutions, automotive thermal and acoustical barriers for filtration/separation and thermal/acoustical applications. The Company's segments are Performance Materials, Technical Nonwovens, Thermal/Acoustical Metals and Thermal/Acoustical Fibers. The Performance Materials segment includes filtration, thermal insulation and life sciences filtration businesses. The Technical Nonwovens segment includes its industrial filtration and advanced materials products. The Thermal/Acoustical Metals segment includes its metal parts and related tooling used in automotive applications. The Thermal/Acoustical Fibers segment includes its fiber parts business and related tooling used in automotive applications. Its Filtration products include LydAir MG (Micro-Glass) Air Filtration Media, LydAir MB (Melt Blown) Air Filtration Media and Arioso Membrane Composite Media.