The distorted lines seem to move randomly on Storty glass block (19x19x8 cm dimensions) from Seves Basic Line series (Janus collection) resulting in moderate light transmission with maximum privacy.
Privacy: Maximum Fire Rating: 45 Visible Light Transmission: 79% Shading Coefficient: 88.50 Sound Transmission S.T.C. (dB): 37 Solar Heat Gain Coefficient: 79
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