FAF Series Full-Face Protectors FAF Series full-face protectors are self-adhesive covers that conceal the entire face of the flange and sealing surface. The protective back is easily peeled off for quick installation and leaves no residue on the flange after removal. Protectors are sized in accordance to ANSI B-16.5 and ANSI B-16.47. Material: High-Density Polyethylene Color: Black Note: Some environments may cause the FAF adhesive residue to remain on the machined surfaces. Please test before applying. All standard die-cut flange covers are 1/16" thick. Alternative materials and thicknesses are available, please call 1-888-CAPLUGS for further information. 356 * For other material and color options, contact customer service.