4" - 12" Combi-Duct Lightproof Ducting

A 4 layer multi-laminated construction with an encapsulating a high tensile steel wire helix ensures strength and durability. The black PVC outer is totally plant safe and a strong vapour/light barrier ensuring extra air tightness over standard alloy ducting while still being very flexible. Due to the 4 layers this ducting, when fully extended, holds its shape with a seamless void delivering low pressure drop and no particulate clogging and low noise when..

£19.95