Minifig Neckwear Scuba Breathing Regulator

Reference

24135

Minifig Neckwear Scuba Breathing Regulator (part 24135) is a LEGO element. CollectORbuild's catalog records it in 24 sets, including Avengers Helicarrier and Avengers Speeder Bike Attack. It has been produced in 6 different colors.