non-insulated duct 1.absorb the noise from the shaking when ventilated,not corrosive the aluminum pipe and metal parts. non-insulated duct  Material:aluminum foil  Features:1. Acoustic insulated duct made of aluminum foil + pet + helix steel wire + fiber...

insulated flexible duct 1.absorb the noise from the shaking when ventilated,not corrosive the aluminum pipe 2.package:PE insulated flexible duct is made of aluminum foil + pet +steel wire +glass fiber(red).Features:1. Acoustic insulated duct made of aluminum foil + pet + helix...

egg crate air grille 1.made from aluminum extrusions having a crimped and welded frames with aluminum eggcrate core. egg crate air grille is made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. They are commonly used for return air,...

aluminum egg crate 1.made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. aluminum egg crate is made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. They are commonly used for return air, exhaust...

round grille 1.made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. round grille is made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. They are commonly used for return air, exhaust air or...

egg crate grille 1.with hinged filter have a crimped and welded frames with aluminum egg crate core. 2.available sizes egg crate grille is made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. They are commonly used for return air,...

egg crate grille 1.45 degrees Eggcrate having a crimped and welded frames with aluminum egg crate core. 2.available size egg crate grille is made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. They are commonly used for return air,...

ceiling air vent 1.provides an even distribution of supply air for most types of ceiling 2.available sizes and colors  ceiling air vent is made of aluminum extrusions in natural anodized and powder coated colors. It provides an even distribution of supply air for most...

eggcrate return air grille 1.made from aluminum extrusions having a crimped welded frames with aluminum egg crate core. eggcrate return air grille is made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. They are commonly used for return...

aluminum egg crate grille 1.made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. aluminium egg grille grille is made from aluminum extrusions having a crimped and welded frames with aluminum egg crate core. They are commonly used for...