The VVK200W 100mm diameter high rise wall kit is manufactured from high impact polystyrene and rigid PVCu with a rubber finned seal.
Can be fitted from inside the building, no external access required.
The VVK200W has a minimum free area of 6,499mm2 and and fits over the male spigot of 100mm ducting.
It's manufactured in compliance with Domestic Plastic Ductwork Specification DW/154 and does meet UL94HB flammability standard.
117mm Core hole required
We Also Recommend