![The GP-7K filter canister was issued with the GP-7(V) and PMK series respirators and, consequently, enjoyed a long service life. It has a 40mm GOST thread on the top. The shell is The GP-7K filter canister was issued with the GP-7(V) and PMK series respirators and, consequently, enjoyed a long service life. It has a 40mm GOST thread on the top. The shell is](https://preview.redd.it/j4e20b8pjqg31.jpg?auto=webp&s=5292de283296ce3a894499fa7fbbd8b5837e13fc)
The GP-7K filter canister was issued with the GP-7(V) and PMK series respirators and, consequently, enjoyed a long service life. It has a 40mm GOST thread on the top. The shell is
Military Antiques and Museum - - SALE RDG-0004-MAM Russian Soviet Era GP-7 40mm Gas Mask Filter - $3.95
![I have recently purchased a GP-7, and this cover came with the filter, would I be able to use it to block asbestos from reaching inside? : r/gasmasks I have recently purchased a GP-7, and this cover came with the filter, would I be able to use it to block asbestos from reaching inside? : r/gasmasks](https://preview.redd.it/zcn7fj70roq41.jpg?auto=webp&s=78c3c8740703250d9e77abe01a95748632a0083e)