· Material: SPCC t=0.8, powdered metal surface (Black DH920C2)· Dimensions: 397.1mmЧ146.0mmЧ64.0mm (15.65"Ч5.75"Ч2.52")· Wall Opening Dimensions: >379.6mmЧ128.0mmЧ64.0mm(14.96"Ч5.04"Ч2.52"),<397.1mmЧ146.0mmЧ64.0mm· Compatible models: VTO6441F, VTO6421F