The MP-4 was one of many Eastern European clones of the M17 mask and was issued to the Polish People Army. It was replaced in service by the MP-5.
- The mask was nicknamed the "Bulldog" due to its appearance.
- Cheek filters either side of the mask
- 6 point elasticated head strap
- Size 1
Polish MP-4 'Bull dog' Gas Mask Respirator