Expanded Technologies’ sole focus is the manufacturing of quality expanded metals for the HVAC/IAQ filtration industry. They meet and exceed customers’ specifications and requirements at a competitive price.

Porex is a globally-renowned manufacture of porous wicking, filteration and diffusion solutions. This global HVAC solutions company provides a wide range of filteration, venting, diffusion, absorption and wicking solutions for a wide range of applications. POREX porous plastic filter and separation media materials have long been used in the most demanding filtration and separation applications from water and industrial filtration to bio-science.

Established in 1969, Purafil is a globally-renowned provider of molecular air filtration and indoor air quality (IAQ) solutions. They also provide a wide range of air filtration, air conditioning, odor control, corrosion control, toxic gas filtration, monitoring and chemical filtration solutions.