Rytons 9x9 Cowl Buff/Sand

Surface mounteD cover for 9x9 openings, air bricks, grilles and vents. Protects against excessive weather conditions and alleviates air blasts through the cavity. Textured roughcast finish. U.V. stabilised to slow down the effects of sunlight. 9x9 is a nominal size with the vent larger to cover any damage to the surrounding area. Total size is 274mm L x 235mm H x 103mm D (see image gallery) Free Area: 23,900mm² (239cm²) per unit.