hi guys i wanna know if you knew or have the new cressi sub snorkel corsica if it is a good snorkel to buy . i have tusa hyperdry but the tube desintegrade after 1/2 years it becomes brittle and i suddenly snapped. so i wanna buy some new snorkel w/ a simple j-style in cressi sub i have seen the corsica its bendable and a j-type snorkel or the mexico type model can you gys help me to find some good simple snorkle? and is it good to have a purge in snorkle in freediving? or just stay in simple J,.. thanks guys