MergeWorks
Notes: EchoScape PET felt, 3/8in (9mm), NRC 0.85. Fixed size 23.75in square (~3.9 sq ft) or 23.75x47.5 in (=7.8 sq ft, used here; drops into a 2x4 ACT grid). 6 three-dimensional blade designs.
NRC per ASTM C423. Data retrieved 2026-07-02 from the manufacturer source page.