Gas Fills

it's more because it takes time to make it

for rebreather bottles <30cf

Don't waste that expensive trimix. Bank it at Submerged for a flat fee of $5, refill your cylinders with something else, and redeem your trimix when you need it again. We can save all but 500psi of your trimix. 

small cylinders, measured in cubic inches

small cylinders, measured in cubic inches 

up to 4500psi