Airbay via Amazon offers the its Airbay Full-Face Snorkel Mask 2.0 in Black/Blue or Black/Red for $45.52. Coupon code "BJHUJU8G" cuts that to $31.86. With free shipping, that's tied with last month's mention and the lowest price we could find for this version by $4.

Compared to similar snorkels on the market, this upgraded "2nd Vision" variant features a longer 8.8" snorkel, 180° field of view, GoPro camera mount, anti-fog protection, and anti-leak design that prevents water from entering the tube when submerged.