Polyvent 300 1.5M Flat Channel 308 x 29mm. Ideal for the ducting of bathrooms, toilets and kitchens where space is very restricted. It is easily concealed and is an effective choice if other systems cannot be fitted. Suits cooker hoods up to 250m3/hr.
Cross sectional area 7833mm2. Minimum space required 314 x 35mm.
