Underwater Shaker (Metal) snorkel fins Perfect for snorkeling - these

Perfect for snorkeling - these fins have lots of adjustment and comfort to wear with or without water shoes

The Advanced Open Water Diver course is about improving your scuba diving skills

2 HP ports and 4 MP ports on a rotating turret are angled for optimum hose routing

reducing drag and increasing the gas mileage of the boat

Underwater Shaker (Metal) snorkel fins Perfect for snorkeling - thesePerfect to get your buddy's attention underwater. This shaker is NOT magnetic, so will not interfere with your compass. It has a dampening cover on the end to mute the noise if needed and attaches easily to your bcd. 3" in length.