10″ x 25 Ft. Fab 6-M Fabriflex Acoustical Duct, R4.2 (Insulated)

Description

Pressure Rated
* 6�w.g. positive
* 5�w.g. neg thru 16�dia.
* 1�w.g. neg. 18�& 20�dia.

Rated Velocity : 5500 F.P.M.

Core : SPUNBOND Nylon Fabric

Vapour Barrier Permeance : .05 Perm A.S.T.M. E96 Procedure A

Note: This product is compressed by the manufacturer and then packaged for
shipping purposes. To reach the specified length, the product needs to be
unpackaged and stretched.