u/UniversityOwn4966

I recently t acquired a fuji GFX100RF. Very excited. I purchased it used. Unfortunately it did not come with the 49mm filter adapter ring. I'd like to buy one but can't seem to find this online anywhere. Based in the UK. Would anyone happen to know the part number, or where to source one from? I don't mind if it's a fuji one or a third party one...the key thing is the ability to screw in 49 mm filters. Thanks for your help in advance!