Carbon Cartridge Odour Filter - Suits Devilbiss MPV-623 Air Fed Mask & MPV-518 waist belt assembly -Same As Part MPV-22. In excellent condition - This item is taken from an existing customer who has a perfectly clean air system. But has the filters changed frequently to 'tick the boxes' If you have any questions at all, or want to know its history, or need close-up photographs, please message me. Thanks Martin
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