Active substance

Carbon Monoxide + Neon + Oxygen + Nitrogen

2 products from 2 companies contain this in Canada.

2 prescription onlygas

Prescription only

CO-NE-O2-N2 MIXTURE0.3 % + 0.5 % + 21 % + 78.2 %gas Messer Canada Inc. · Carbon Monoxide + Neon + Oxygen + Nitrogen · V03AN20 LUNG DIFFUSION TEST MIX NO NE CO0.3 % + 0.5 % + 21 % + 78.2 %gas Praxair Canada Inc · Carbon Monoxide + Neon + Oxygen + Nitrogen · V03AN

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.