DL Sales Corporation is proud to be a partner with Columbus Industries. Once recognized at the AHR Expo for the most innovative product, Columbus Industries has designed industry leading high efficiency filters to improve indoor air quality. Combine the lowest initial pressure drops, with MERV 14+ efficiency, and come (more…)

Arizona Central released the report showing Phoenix ranked among the worst in the nation for outdoor air quality. Hot dry days and lack of rainfall, coupled with windy days, has caused more pollutants to be forced into the air. The fine particles stay suspended for days causing pollution levels to spike. (more…)