4″ x 25 Ft. Fab 4-T Fabriflex Duct, R4.2 (Insulated)

Description

This high pressure insulated flexible duct, consists of a core made from vinyl
coated fiberglass cloth which is mechanically locked together by a corrosive
resistant galvanized steel helix. The liner is draped with thick fiberglass
insulation and covered by a flame retardant, non toxic polyethylene vapor
barrier. The properties of this ULC-S110 and UL-181 Class 1 product combines the
rugged puncture resistant fabric with a highly dependable insulated vapor
barrier to create a superior high pressure thermal duct ideal for commercial or
institutional HVAC use.

Pressure Rated:

* 25″ w.g. positive
* 10″ w.g. neg thru 12″ dia.
* 5″ w.g. neg 14″ & 16″ dia.
* 1″ w.g. neg. 18″ & 20″ dia

Rated Velocity:

* 5500 F.P.M.

Core:

* PVC Coated Fiberglass Cloth

Vapour Barrier Permeance:

* .10 Perm A.S.T.M. Procedure A
* Connector Rated

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.