New, unused ETS‑Lindgren DuraSorb DSH‑1250H Polystyrene Hybrid absorber cones for EMC/EMI and RF test chambers. This hybrid anechoic absorber combines a ferrite‑tile base with carbon‑loaded polystyrene foam caps, providing excellent broadband performance from 30 MHz to 40 GHz, suitable for 3 m, 5 m, and 10 m range chambers and compliance with ANSI C63‑series and CISPR standards. Each unit measures 125 cm (49.2 in) in height with a 60 cm × 60 cm (23.6 in × 23.6 in) footprint and weighs about 15 lbs; material is non‑hygroscopic, fire‑retardant (LOI >28), and designed for precise wall/ceiling installation. These are new, never installed, and have been stored in clean, dry, climate‑controlled conditions. Quantity available for sale or lot pricing; freight or local pickup only. Message before buying for exact count, layout, and shipping quote.