Below is a list of questions that are frquently asked in regards to a 4WD snorkel.
Will rain go down the inside of a snorkel ram?
Even in a tropical rain storm, only a tiny volume of the impact moisture will enter the snorkel. The incoming rain droplets are broken up on entry. The high speed of the air stream, as it turns the 90 corner causes the heavier rain droplets to move to the outside surfaces. Here the rain is collected in the expanded lower body of the air ram (outside the snorkel body) and allowed to drain out, via the slots provided.