The 3M Full Facepiece Button 7989, Respiratory Protection Replacement Part is designed to attach 3M Head Strap Assembly 78093S (sold separately) to the 3M Full Facepiece 7800S Series (sold separately). Color indicates facepiece size; red=small, yellow=med

3M 14593, Scotch-Brite Cut and Polish Disc, 3" x 1-1/4" x 1/4" A Medium, D5, 7000045941, Box of 10
Insize 3281-4, SCREW THREAD MICROMETER, 3-4", 6928640328237
3M 46464, Particulate Filter 5N11, N95, 7000002008, 100 EA/Case
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
3M Super Abrasives Roloc Disc, 2" Type-R, Medium AO High Strength, Box of 50
3M 37004, Nose Cup Assembly 6894/37004(AAD), Replacement Part, 7000002034, 5 EA/Case 