Aerocom Specialty Fittings > Products > Industrial Hose Products > Ducting Part Number: 1PN-EP / 1NP-EPW – Wide pitch, neoprene impregnated cotton fabric with enclosed spring steel wire helix. Available in yellow, orange and black. Also available with black wear strip. Part Number: PVC BLUE – A medium weight extremely flexible wire reinforced PVC duct Part Number: FLEXFAST COUPLINGS Part Number: TPU VAC-U-FLEX Part Number: DURATANE LD/MD/HD Part Number: L-9 FLEX FLYTE Part Number: U-9 FLEX FLYTE Part Number: TPR Part Number: 2 PN (NC-2) Part Number: 1PN (NC-1) Part Number: TDS / TDHS Part Number: SUPER VACU-U-FLEX