Breathe BETTER with the Boost Oxygen National Wellness Month Sale! Get FOUR pure oxygen canisters for one LOW price. With the August sale, you’ll receive: (2) Large 10-Liter NATURAL pure oxygen canisters (no aroma) (1) Medium 5-Liter BREATHE Menthol-Eucalyptus (1) Medium 5-Liter BALANCE Pink Grapefruit (1) Pocket Size 3-Liter REVIVE Peppermint Plus FREE Shipping for JUST $34.99 (normally costs $70!)