Heating and ventilation Company/Products Feed and nutrition Redesigned GC1140 Fully Insulated 360º Gravity Inlet US - The redesigned GC1140 Attic Vent from Double L Group, Ltd. has a new 360 degree airflow heavy-duty, radius corner design that increases fuel savings, air distribution, and air mixing. 26 March 2014 2 minute read By: Lucy Towers North America Sponsored Article Double L Group Our Partners Lallemand Lanxess Thermo Fisher Scientific Axcentive Lucy Towers More from this author More News View all US pork exports to Japan face intense competition - USMEF Market Trends 29 March 2024 1 minute read US pork exports to Australia continue to build momentum - USMEF Market Trends Markets and economics 29 March 2024 1 minute read January exports more than quadruple over last year German pig population decreases 15% in three years Market Trends 29 March 2024 2 minute read Average number of pigs per farm fell from 826 to 810 Sponsored Article Double L Group Our Partners Lallemand Lanxess Thermo Fisher Scientific Axcentive