Alum Or Vinyl Ventilator

28 gauge galvanized steel 1 piece construction with a 2 in.

Alum or vinyl ventilator.

The sf xtra sound attenuator can be purchased in a number of combinations based on different sizes of inner ventilator and outer canopy. Galvanized wire mesh prevents entry from birds or. Conforms to federal specification qq 5775a type 1 class 4 astm a 653 meets fha codes. The sf xtra sound attenuator ventilator is a slot ventilator which provides high levels of sound attenuation compared to similar acoustic products in a compact size.

A balanced ventilation system 50 intake ventilation combined with 50 exhaust ventilation can also lower utility bills. Trimvent 4000 is an aluminum slot ventilators that fits over a slot in the window and provides a much healthier indoor air environment in the home and give the home occupants greater comfort and control in doing so. Item 735610 model gvtr48x24d.