The CRL-Blumcraft® SB200 Smoke Baffle Base Shoe Replacement Hardware - 10 Pack is used with our CRL-Blumcraft SB200 Two Piece Smoke Baffle System. This is not only the newest to our family of smoke screen products, but it is also the most versatile. Designed to provide an invisible glass wall that meets today's fire codes. This product is used to retain smoke in a specific area of a specified square footage. NOTE: Check your local building codes for regulations pertaining to ceiling area square footage and required depth and height specifications for smoke baffles, partitions or glass curtains.