100mm 4" High Rise Ventilator BROWN
The VVK200B 100mm diameter high rise wall kit is manufactured from high impact polystyrene and rigid PVCu with a rubber finned seal.
The VVK200B 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.
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