Ruskin has introduced the BTR-250 heavy-duty isolation damper, designed to provide bubble-tight airflow leakage performance in systems with up to 10 in. wg pressure. 

Optrel’s new crystal2.0 welding helmet pairs with the company’s e3000 PAPR powered air purifying respirator to create a system that delivers active eye protection, visual clarity, and safety against airborne particulates for workers during welding or grinding operations.   

Among the more obvious reasons for the use of round duct on rooftops, such as preventing rain, snow and ice buildup, ease of wind passage is perhaps the most overlooked. PhenoliDuct, a new closed-cell insulated round duct solution from Spiral Pipe of Texas (SPOT), is engineered with all those considerations in mind, plus ease of installation.   

Milwaukee Tool introduces the new PLUS-LOK SDS-Plus Extensions for extended reach and deep hole drilling.

The new Mega-Stack option for Greenheck’s Model FJI FumeJet fume exhaust fan offers extended discharge from 10 to 15 feet in overall stack discharge height, making it ideal for low flow applications requiring higher plume rise. 

Optrel announces new helmet for welding students, DIYers.

Pfannenberg highlights the unique PF Series Filterfans 4.0, which provide an unrivaled airflow, guarantee Nema Type 12 protection and boasts a 300 percent longer lifetime than conventional filters.

The R7DA fits many existing roof curbs, features one-inch foam-insulated panel cabinet along with dozens of highly-configurable options for optimum IAQ and space comfort.

This year, Lennox has introduced the SL297NV Ultra Low Emissions Gas Furnace, the lowest emission furnace on the market, which produces 65 percent lower NOx emissions than standard low NOx furnaces, offering the ultimate in comfort and emissions compliance. 

TRUMPF's TruTool FCN 250 can be used to separate fiber composite materials as thick as .102 inches.