Nerd 2 Rail Systems Style:Interspiro Rail offering good performance at an

offering good performance at an affordable price point for new divers

Shearwater NERD 2

High contrast display with extra-large numbers

The effect is that the temperature inside the mask drops

it leverages the best features found on other FFMs with unique features designed by OTS

Nerd 2 Rail Systems Style:Interspiro Rail offering good performance at anNerd 2 Rail Systems Interspiro Rail: Mounting rail for Interspiro full face masks. Compatible with NERD2 FF Mount kit and various other accessory mounts. OTS Guardian Rail: Mounting rail for OTS Guardian full face masks. Compatible with NERD2 FF Mount kit and various other accessory mounts.