Apetura Cleaneo Akustik Block: Acoustic Square

Knauf Cleaneo Akustik Block range offers three sizes of slot
pattern, available with either a square edge profile or a
tapered edge profile (subject to a minimum order quantity) and six sizes
of square pattern perforations some with an FF edge profile and some with
a tapered edge profile. They are supplied backed with an acoustic lining
in either black, white or grey.