Attachment 5 - 00244018-03849-[Vent Ducting - 07] Flexible Ducting EF-FR 8in.doc

Flex Tube Environmentally Friendly – Fire Retardant 8” (EF-FR 8”)

Medium weight co-extruded polyolefin elastomer hose with a rigid external polypropylene helix

· Environmentally friendly

· Low outgassing (Low VOC vs. standard PVC hose)

· Ultra smooth interior to maximize efficiency of airflow

· Highly flexible

· Tight bend radius without crimping

· Spiral co-extruded engineered construction

· Helix must protect against wear (abrasion resistance)

· Moisture resistant

· Chemical resistant

· Fire retardant (FR) (UL 94-V2 material compliance)

· Inside Diameter: 8”

· Approx. Weight: 1.5 lbs. /ft.

· Wall Thickness .035”

· CL Bend Radius: 9.75”

· Compression Ratio: 2:1

· Negative pressure: 12 in. / hg.

· Working Pressure: 8 PSI

· Temperature Range: -20F to 160F

· Color: Based on application. See JML

· Length: 24 feet VENT DUCT MUST BE MARKED “EF – FR” AND SHALL BE PLACED EVERY FOOT (12"). FONT SIZE, LETTER STYLE AND INK COLOR NOT SPECIFIED, BUT MARKING SHALL BE PERMANENT AND CLEARLY LEGIBLE.