HomeAcousticCeilingVersionsVERSION B VERSION B Has slots machined at every 16mm resulting in each slat being 13mm wide. Has slots machined at every 16mm resulting in each slat being 13mm wide. Category: Versions Product ID: 18347 Related products Add to WishlistRemove from Wishlist Add to Wishlist VERSION C & D Read more Add to WishlistRemove from Wishlist Add to Wishlist VERSION A Read more