under $50?
can be done easily... $20 for the tank. $10 for the ADA Adapter.$10 for the "needle valve".$10 for a diffusor. odds/ends include check valve and tubing. and those prices are top-end with shipping, if purchased separately. I can supply all the above if needed/wanted for less as a package. HOWEVER...
as others have stated this works but is not recomended. i ALSO have a selection of "proper" regulators and accessories. look at the albums in my profile to see what I gave.
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