Breathe effortlessly underwater with the MK11/S270 combo. Ideal for divers seeking reliable performance in a small package!
 
Marine brass body with sealed internal parts to prevent water and pollutants from fouling the inner mechanism
Constant and effortless airflow with the air balanced diaphragm design
S270 lightweight casing consists of fibreglass-reinforced nylon core with a a PU outer layer making it extremely durable