Comparison : Item # CH222.101.240A, 2 x 9/16 x 1/8 Inch (in) Size and 2800 Feet (ft) Mill Run Isophthalic Polyester (I) Fiberglass Channel
Item # CH222.286.240A, 2 x 9/16 x 1/8 Inch (in) Size and 2800 Feet (ft) Mill Run Isophthalic Fire Retardant (IFR) Fiberglass Channel
Item # CH222.303.240A, 2 x 9/16 x 1/8 Inch (in) Size and 2800 Feet (ft) Mill Run Vinyl Ester Fire Retardant (VFR) Fiberglass Channel
Item # CH340.101.240A, 3 x 7/8 x 1/4 Inch (in) Size and 1700 Feet (ft) Mill Run Isophthalic Polyester (I) Fiberglass Channel
Item # CH340.101.241A,