With how that post read I am going to say a few things extra. It’s not an assumption of ignorance it just might read like that as I am trying to clearly cover the subject.
First you are supposed to ALWAYS filter, period. That 0.22 filter in itself is almost a way to sterilize your finished product. It is so fine that it will catch bacteria. The 0.45 use to be industry standard but they realized there was something small enough that it wasn’t catching so then came the 0.22. So just with how that read I wanted to cover that you always filter as your last step. I don’t think that the filter is fine enough to catch all viruses but a virus needs a host to survive so once brewed it’s a good idea to let the finished vial sit for a while, you can also use this time to verify that it does infact and not crash.
If you want to and this is always a good idea, heat the solution high enough to kill what might be living in it. Some home brew instructions advise you to bake your finished vial as an extra sterilizing step. You need to put a venting needle through the septum so the expanding air can get out. Make sure the point of the needle is well above the top of the oil or the expanding air will push out oil not air. The basics of this is just bake the vial at about 250 f degrees for about an hour. This will also help make sure the hormone is well dissolved provided your hormone melts below 250 f degrees. If you are using a hormone with a high melting temp and you want to bake it at that high temp then make sure your oil doesn’t have a low flash point. The venting needle can just be a basic needle from a needle syringe unit. That plastic base that screws into the syringe is made out of stuff that doesn’t melt until 300 something degrees and I am fairly sure that is 300 something Celsius but I would double check that before trying to bake it at 300 f.
So yeah if you have to I don’t see anything wrong with using an unfiltered oil because you are going to filter it. Speaking of filters and filtering, i tried to use syringe filters my first brew…after 3 plus hours, two broken filters, and lost oil from when the filters broke I managed to keep about 60-70 ml out of a 100ml brew. I tried to put the oil in a large syringe, like 60ml large ment for farm yard Animal use, put on the filter then put the whole thing in a chaulking gun so I could just squeeze one notch then let it sit while it filtered. Well after all that I immediately decided vacuum filtering was the way to go. They make presealed sterile one use vacuum set ups. It’s so easy and fast you just need one of those vacuum pumps they use for bleeding car brakes. The 100ml filters in less than 10 minutes. They even make electric pumps if you don’t want to have to keep pumping the brake bleeder.
Lastly in not sure if you paid for the oil that they forgot but if you did then get ahold of the vendor and get them to send it. If they forgot it then it’s on them to send it.