Massachusetts Association of Independent Scuba Instructors, LLC 

2025 Gas Rates Price List:

                                                                         Scuba Diving, Trimix, and Helitrox

Oxygen ..................................................................... $.75 per CF + $8.00 fill charge

Trimix Fills ................................................................ $2.40 per cu ft + O2 charge + fill charge

Nitrox (up to 36%).................................................... $15.00 per fill

Nitrox (37% to 40%)................................................. $17.00 per fill

Air (Class E Standard)............................................. $12.00 per fill

Air Fill Card (10)...................................................... $75.00 ea

Nitrox Fill Card (10)*................................................ $130.00 ea

Paint Ball Tank Fill (4500psi)................................... $8.00 ea

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*Up to 36% only. Not available over 36%

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(In effect 10/03/25)