supply of flexible duct , flexible duct bellow, size: 14 inch id x 14.5 inch long with 14 inch hose clamp on both side material : pu make : royal or equivalent full description:- transparent polyurethane hose made with conti nuous ss wire reinforcement helix between polyurethane film overlap. crystal clear glass like appearance for visual product control. highly abrasive good chemical resistance. superb tear strength. these are durab le, light weight and designed for maximum air flow. excellent choice for wide range of application including exhaust, blowing ventilation fume removal, wooden/plastic particles [dust], and highly abrasive particles, suitable temperature from -20 deg.c to +90 deg.c. piece length: 5 to 10mtr. the wall thickness of pu film is 0.8mm. total thickness of pu hose is 2 mm [ warranty period: 12 months after the date of delivery ] ]