Division PR, RMO and BCO
405th Regiment Officer
Don't forget to write the date on the cartridges so you can remember when they need replacing!
It depends on use cases and the average accepted length I've seen is five year shelf life unopened and six months opened. Generally though if you can smell anything through it when using a product the concentration of bad stuff in the space is too high or you really need to change your filter.
These look beautiful dude, great job!I decided it was time to clear some projects off my backlog.
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Now that these are done, back to working on my suit.
Massive thanks to CollinMcCaf for the MA5C Model and to TurboCharizard for his M6G Model on Etsy!