20 PK 3M Fire Barrier Moldable Putty Pads MPP+ (7" x 7") 20 PK 3M Fire Barrier Moldable Putty Pads MPP+ 3M? Fire Barrier Moldable Putty Pads MPP+ (7" x 7") are one-part, intumescent firestop materials used to prevent the spread of fire, smoke, and toxic gases in fire-rated assemblies. These pads are designed for easy, tool-free application and are conformable by hand. No mixing is required. The pads provide reliable fire protection, expanding when exposed to heat, and are firestop tested up to 4 hours. Ideal for electrical box protection and other penetrations in walls and ceilings, they come in a 20-count pack and are 2.54 mm (1/10") thick. About Us Welcome to Help! Resale, your go-to consignment shop where value meets quality. At Help! Resale, we're dedicated to providing you with an exceptional shopping experience, whether you're looking to find the best deals or consign your gently used items. Help Resale 7200 Fair Oaks Blvd Ste 120 Carmichael CA 95608 Business Hours: Monday-Friday: 9:00 am to 5:30 pm (PST) All product and company names are trademarks TM or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. (description exceeds maximum possible length)