Description 100mm White Black Combi Ducting 10M G.A.S High quality and air tight, GAS Combi Ducting is made from aluminium and polyester mixed with a flexible steel helix to make a strong and long-lasting duct that resists crimping for your grow room. GAS Combi Ducting is finished with a reflective white covering to reduce the noise from air movement and reflect light and heat, making your grow room ventilation system work more efficiently. Aluminium and polyester bonded with a flexible steel helix Long lasting and resists crimping Airtight to prevent odour leaks White reflective covering to reflect light and heat
