apeks XL4 is particularly suitable for radar that is dedicated to exploring the technique in cold waters. Compact and lightweight, it will help you reduce fatigue during long mascellare diving at low temperatures. Designed with an innovative closure sovrastampata termination that, together with the sealing diaphragm, helps prevent ice formation. The XL4 tip is an excellent and high performance option for functional radar that is very careful to optimize functionality while minimizing weight.