The Sundstrom SR297 ABEK1 Gas Filter provides effective protection against organic vapours (A), inorganic gases (B), acid gases (E), and ammonia/amines (K), making it ideal for use in environments with mixed gas exposure. When combined with the SR 510 P3 particle filter using the Sundström filter adapter, it offers combined gas and particle protection, suitable for tasks involving both hazardous gases and airborne contaminants. Compatible with Sundström half and full face masks, it’s a versatile solution for professional respiratory safety.