Frost Fangs Trap (CR 7)

The material below is Open Game Content from a 3PP Source

Frost Fangs Trap CR 7
Type mechanical; Perception DC 25; Disable Device DC 20
EFFECTS
Trigger location; Duration 3 rounds; Reset none
Effect jets of freezing water (3d6 cold damage, DC 20 Reflex save for half damage); multiple targets (all targets in a 40-ft.-square chamber)