Turbo Mega-Flow Mask MEDIUM = 5'4" TO 6'4". 
INCLUDES: Mask with adjustable head strap.  You will need TWO ten foot BAG TO MASK hoses. Buy as many in the cart as you need for $20.00 each 

Small  
Turbo Mega-Flow Mask SMALL= 5'3 AND BELOW.
Mask with adjustable head strap.  You will need TWO ten foot BAG TO MASK hoses. Buy as many in the cart as you need for $20.00 each 

Large  
Turbo Mega-Flow Mask Large = 6'5" Tall and Up
Mask with adjustable head strap.  You will need TWO ten foot BAG TO MASK hoses. Buy as many in the cart as you need for $20.00 each