6" Wall Vent Cowled Black 150mm Kneepads Equipped with special thread for

Equipped with special thread for pair use only

A reading can be taken immediately

UKCA marked

Dimensions: 100cm(h) x 183cm(w) x 183cm(l)

Dark green plastic coating blends easily with foliage

6" Wall Vent Cowled Black 150mm Kneepads Equipped with special thread for6" (150mm) Cowled Vent Wind Baffle Grille Ideal for mounting on an external wall that is in an exposed position and where an outlet will be open to bad weather. The baffled grille has two advantages; it stops wind from rattling the shutter and also stops back draft when an extractor fan is switched off. Ideal for wind and rain protection. 100mm (4") diameter duct connection that fits standard ducting or wall sleeves. Single blade damper for anti back