![Purchased a GP5 today, came with this barrel filter I guess you could call it and a 40mm hose. Is this safe to use? It's marked 11 and 6(or 9) on the Purchased a GP5 today, came with this barrel filter I guess you could call it and a 40mm hose. Is this safe to use? It's marked 11 and 6(or 9) on the](https://preview.redd.it/8w44lwz7y6041.jpg?auto=webp&s=a2dae47a15da9355dc40e8d5ad2c0044375bd543)
Purchased a GP5 today, came with this barrel filter I guess you could call it and a 40mm hose. Is this safe to use? It's marked 11 and 6(or 9) on the
![All I have ever seen on the GP5 is the short filters. Are the longer ones from newer models, or is it just what came with the one I bought at a All I have ever seen on the GP5 is the short filters. Are the longer ones from newer models, or is it just what came with the one I bought at a](https://preview.redd.it/4o1cep2hnah21.jpg?width=640&crop=smart&auto=webp&s=db2563406cdfec05f27b4ff2d28579253ebd9d28)
All I have ever seen on the GP5 is the short filters. Are the longer ones from newer models, or is it just what came with the one I bought at a
Paul Graham on Twitter: "Many thanks to the people who've warned me that old gas mask filters can contain asbestos and other nasty things. This one is a GP5, whose filters do,
![Russian Gas Mask Filter Canister GP-7k 40mm with gas mask box for gp-4/gp-5/ gp-7, 3 pcs sold by RussianGasMasks on Storenvy Russian Gas Mask Filter Canister GP-7k 40mm with gas mask box for gp-4/gp-5/ gp-7, 3 pcs sold by RussianGasMasks on Storenvy](https://prod-cdn-07.storenvy.com/product_photos/89572933/file_31e7a3be63_original.png)