The flagship product of the RoomZorber line, the ProZorber is a Guilford fabric-wrapped 6-7pcf fiberglass panel with a scrim backer. Choose the ProZorber for the most stylish, elegant look for your studio, rehearsal or broadcast environment. ProZorbers are available in both 1 inch. and 2 inch. thicknesses with square, hardened edges. The square edges actually offer more absorption than beveled edges - over 8% more for the 1 inch. and nearly 17% more for the 2 inch.! Includes impailing clips for permanent and semi-permanent installation. Class A fire-rated and 100% made in the USA!