Fantech Mounting Clamps FC 6, For 6" Duct, 2/Box

The grille has a shielding device for producing a directional distribution pattern and has an adjustable gap grilles. The grille is manufactured from sheet metal with a white powder-coated finish.

Wire ring inlet guards used to prevent foreign objects from entering duct line. Zinc chromate plated steel.

Easily-fitted silencer for circular ducts, fitted with a connection which is compatible with a standard spiral duct. The LD effectively reduces noise in the duct. Two silencers can be used together in installations where noise reduction is critical. For the most effective noise reduction, the silencer should be fitted immediately behind a fan or bend.

A low profile, fixed circular plastic exhaust grille. Included with the grille is a matching diameter galvanized mounting collar with nailing strip. Models DG with collar, models DGD with collar and back draft damper.

The IR is an iris damper for measuring and adjusting the air flow. The IR has the following specifications: low noise level, centrically-formed air flow and fixed test points for precise measurements. The damper also has an adjustment aperture which can be opened completely, which means there is no need for an access door for cleaning. Available in sizes 4-25 inches.